EN： The phrase 'Thank you for [Verb-ing]' is a standard structure used to express gratitude for a specific action. The preposition 'for' must be followed by a gerund (verb ending in -ing) or a noun.
中文： 句型「Thank you for [動名詞]」是用來表達對某項具體行為的感謝。介係詞「for」之後必須接動名詞（即動詞加-ing）或名詞。
Thank you for helping me with my homework.
謝謝你幫我做功課。
EN： In academic and professional settings, titles like 'Prof.' (Professor) or 'Dr.' (Doctor) are used followed by the person's last name to show respect and maintain a formal tone.
中文： 在學術或專業場合中，通常會在姓氏前加上「Prof.」（教授）或「Dr.」（博士）等職稱，以示尊重並維持正式語氣。
Good morning, Dr. Smith.
早安，史密斯博士。
EN： In Western academic culture, students often visit professors during 'office hours' for help. Using a formal title like 'Professor' is important until the professor invites you to use their first name.
中文： 在西方學術文化中，學生通常會在「教師辦公時間」(office hours) 尋求教授協助。除非教授主動要求你直呼其名，否則使用「Professor」等正式職稱是非常重要的禮節。
EN： Imperative Mood: This sentence uses the imperative mood to give a polite instruction or invitation. In English, the imperative is formed by using the base form of the verb without a subject (the subject 'you' is implied). Adding 'Please' makes the command a polite request.
中文： 祈使句：此句子使用祈使句來給予禮貌的指示或邀請。在英文中，祈使句直接使用動詞原形，省略主詞（省略了主詞 you）。加上「Please」可使命令語氣轉變為禮貌的請求。
Please open the window and let some fresh air in.
請打開窗戶，讓新鮮空氣進來。
EN： Compound Predicate with 'and': When two actions are performed by the same subject in sequence, they can be joined by the conjunction 'and'. In this case, 'come in' and 'have a seat' are both actions the speaker wants the listener to perform.
中文： 使用 'and' 的複合謂語：當同一個主詞依序執行兩個動作時，可以用連詞「and」連接。在此句中，「come in」（進來）和「have a seat」（坐下）都是說話者希望聽者執行的動作。
Go to the kitchen and get a glass of water.
去廚房拿一杯水。
EN： In academic settings, 'Office Hours' are a specific time when professors are available to meet students. Using 'Please come in and have a seat' is a standard way to welcome a student into an office, signaling that the professor is ready to give the student their full attention.
中文： 在學術環境中，「Office Hours」（教師時間）是教授專門留給學生面談的時間。使用「Please come in and have a seat」是邀請學生進入辦公室的標準禮貌用語，表示教授已準備好專心聽取學生的問題。
EN： The Present Continuous Tense (am/is/are + verb-ing) is used here to describe an action happening right now. In a polite context, it emphasizes the current ongoing nature of the interruption.
中文： 現在進行式 (am/is/are + 動詞-ing) 在此處用於描述當下正在發生的動作。在禮貌語境中，它強調了目前正在進行中的打擾狀態。
I hope I am not interrupting your lunch.
我希望我沒有打擾到你的午餐。
EN： The phrase 'too much' is used with uncountable nouns (like 'time') to indicate an excessive amount. It often carries a slightly apologetic tone in formal requests or conversations.
中文： 短語 'too much' 與不可數名詞（如 'time'）連用，表示過量。在正式請求或對話中，通常帶有微小的歉意。
Don't spend too much money on the gift.
別在禮物上花太多錢。
EN： In academic and professional settings in English-speaking cultures, acknowledging the value of someone's time (especially a superior like a professor) is a key sign of respect and social competence.
中文： 在英語國家的學術與專業環境中，承認他人時間的價值（特別是像教授這樣的上級）是展現尊重與社交能力的重要標誌。
EN： The phrase 'Not at all' is a common idiomatic expression used to politely decline a suggestion or to reassure someone that they are not causing trouble (a polite response to 'Thank you' or 'I hope I'm not bothering you').
中文： 短語「Not at all」是一個常見的慣用語，用於禮貌地拒絕某個提議，或向某人保證他們沒有造成麻煩（常用於回應「謝謝」或「希望我沒有打擾你」）。
Is it too cold in here? Not at all.
這裡會太冷嗎？一點也不。
EN： The structure 'What can I help you with?' uses a prepositional phrase at the end. In English, it is common to end a question with a preposition (like 'with') to specify the scope of the assistance.
中文： 句型「What can I help you with?」在結尾使用了介系詞短語。在英語中，常用介系詞（如 with）作為疑問句的結尾，用來明確說明提供協助的範圍。
What can I help you with today?
今天有什麼我可以幫您的嗎？
EN： In Western academic culture, 'Office Hours' are specific times set aside by professors for students to drop by without an appointment to ask questions or discuss course material. It is a standard part of a professor's duty and students are encouraged to use them.
中文： 在西方學術文化中，「Office Hours」（辦公時間）是教授專門留給學生的時間，學生無需預約即可前往諮詢問題或討論課程內容。這是教授職責的一部分，且校方通常鼓勵學生多加利用。
EN： The past tense 'wanted' is used here as a 'distancing' technique to make the request or inquiry sound more polite and less demanding in a formal setting.
中文： 這裡使用過去式 'wanted' 是一種「距離化」技巧，使請求或詢問在正式場合中聽起來更禮貌，且不那麼唐突。
I wanted to see if you were free for a quick meeting.
我想看看你有沒有時間進行一個簡短的會議。
EN： A relative clause starting with 'that' is used to provide specific information about the noun 'assignment'.
中文： 由 'that' 引導的關係子句（形容詞子句）用來提供關於名詞 'assignment'（作業）的具體資訊。
The book that I bought yesterday is very interesting.
我昨天買的那本書非常有趣。
EN： In academic settings, using 'I wanted to' or 'I was wondering if' is a standard way for students to approach professors politely during office hours, showing respect for the professor's authority and time.
中文： 在學術環境中，學生在教授的諮詢時間（office hours）使用 'I wanted to' 或 'I was wondering if' 是非常標準且禮貌的表達方式，這展現了對教授權威與時間的尊重。
EN： The Present Perfect Tense (have + past participle) is used here with the adverb 'already' to ask about an action that happened at an unspecified time before now, emphasizing its completion or progress.
中文： 現在完成式（have + 過去分詞）在此與副詞「already」（已經）連用，用來詢問在現在之前的某個不確定時間點是否已發生某動作，強調動作的完成或進展狀態。
Have you already finished your lunch?
你已經吃完午餐了嗎？
EN： The verb 'start' can be followed by a gerund (verb-ing) to indicate the beginning of an activity. 'Working on' is a phrasal verb meaning to spend time and effort improving or completing something.
中文： 動詞「start」後面可以接動名詞（V-ing）來表示開始某項活動。「Working on」是一個片語動詞，意指花費時間與精力去改進或完成某事。
He started learning piano last year.
他去年開始學習鋼琴。
EN： In academic settings, professors use 'Of course' to validate a student's request or question, creating a supportive environment. Asking about progress ('Have you started...') is a common way to begin a guidance session.
中文： 在學術場合中，教授使用「Of course」來肯定學生的請求或問題，營造出一種支持性的氛圍。詢問進度（「Have you started...」）是開始指導對話的常見方式。
EN： Present Perfect Continuous (have been + V-ing): Used to describe an action that started in the past and is still continuing or has just finished, emphasizing the duration or process.
中文： 現在完成進行式 (have been + V-ing)：用來描述一個從過去開始並持續到現在，或剛結束的動作，強調動作的持續過程或時間長度。
I have been studying for three hours.
我已經連續讀書三個小時了。
EN： Relative Clause (Reduced): The phrase 'you recommended last week' is a relative clause modifying 'the sources'. The relative pronoun 'that' or 'which' is omitted because it acts as the object of the verb 'recommended'.
中文： 關係子句（省略型）：'you recommended last week' 是一個形容詞子句，用來修飾 'the sources'。因為關係代名詞 'that' 或 'which' 在子句中擔任受詞，所以可以省略。
The book I bought yesterday is very interesting.
我昨天買的那本書非常有趣。
EN： In academic settings, 'sources' refers to scholarly articles, books, or documents used for research. Asking for 'clarification' is a standard, polite way for students to engage with professors during office hours.
中文： 在學術情境中，'sources' 指的是用於研究的學術文章、書籍或文獻。向教授請求 'clarification' (釐清) 是學生在教師諮詢時間 (office hours) 進行溝通時，一種標準且有禮貌的表達方式。
EN： The adjective 'unclear' is used as a subject complement following the linking verb 'is'. It describes the state of the subject 'Which part of the question'.
中文： 形容詞「unclear」（不清楚的）作為主詞補語，接在連綴動詞「is」之後，用來描述主詞「問題的哪一部分」的狀態。
The instructions were unclear to the students.
這些指示對學生來說並不清楚。
EN： The prepositional phrase 'to you' indicates the person who is experiencing the lack of clarity. In English, we often use 'unclear to [someone]' to specify the perspective.
中文： 介係詞片語「to you」表示感到不清楚的對象。在英文中，我們常用「unclear to [某人]」來指定是從誰的角度來看覺得不明確。
Is the new schedule clear to everyone?
新時間表對大家來說都清楚嗎？
EN： In academic settings, 'Office hours' are designated times when professors are available to meet with students. Using phrases like 'I see' and asking specific follow-up questions shows active listening and support for the student's learning process.
中文： 在學術環境中，「Office hours」（教師諮詢時間）是教授專門留給學生見面討論的時間。使用「I see」並提出具體的後續問題，展現了積極傾聽的態度，並支持學生的學習過程。
EN： The word 'if' is used here as a subordinating conjunction to introduce an indirect question (noun clause), meaning 'whether'. It is often used after verbs like 'know', 'wonder', or 'be sure'.
中文： 這裡的 'if' 作為從屬連接詞，引導一個間接問句（名詞子句），意思為「是否」。常用於 'know'、'wonder' 或 'be sure' 等動詞或形容詞之後。
I don't know if he will come to the party.
我不知道他是否會來參加聚會。
EN： The phrase 'focus on' is a phrasal verb meaning to give special attention to something. 'On' is the preposition that must follow 'focus' when an object is present.
中文： 短語 'focus on' 是一個片語動詞，意思是「專注於」某事。當後面接對象時，'focus' 必須搭配介系詞 'on'。
We need to focus on solving the problem.
我們需要專注於解決這個問題。
EN： In academic settings, it is common and encouraged for students to seek clarification during office hours. Using 'I am not sure if...' is a polite way to express confusion without sounding demanding.
中文： 在學術環境中，鼓勵學生在教師時間（office hours）尋求澄清。使用 'I am not sure if...' 是一種非常有禮貌的方式來表達困惑，而不會顯得咄咄逼人。
EN： The modal verb 'should' is used to give advice or recommendations. It is followed by the base form of the verb without 'to'.
中文： 助動詞 'should' 用於提供建議或推薦。其後接動詞原形，不需要加 'to'。
You should review your notes before the exam.
你應該在考試前複習你的筆記。
EN： The conjunction 'but' is used to connect two contrasting ideas. In this sentence, it balances the requirement to discuss 'both' with the specific instruction to 'focus more'.
中文： 連字 'but' 用於連接兩個對比的概念。在此句子中，它平衡了「兩者皆討論」的要求與「更多專注於」的特定指令。
I like coffee, but I prefer tea in the morning.
我喜歡咖啡，但我早上更喜歡喝茶。
EN： In Western academic culture, professors often use phrases like 'That is a very good question' to encourage student participation and critical thinking, even if the answer seems straightforward.
中文： 在西方學術文化中，教授經常使用「那是一個非常好的問題」這類語句來鼓勵學生參與和批判性思考，即使問題的答案看似簡單。
EN： The Past Continuous tense ('I was wondering') is often used in polite requests to make the speaker sound less direct and more tentative, which is considered more respectful in formal or academic settings.
中文： 過去進行式（I was wondering）常用於禮貌性的請求，使說話者的語氣聽起來不那麼直接，更具委婉與試探性，這在正式或學術場合被認為更具禮貌。
I was wondering if you could help me with this report.
我在想您是否能幫我處理這份報告。
EN： The word 'if' here functions as a conjunction introducing a noun clause (indirect question). It means 'whether' and is used to express uncertainty or a request for information.
中文： 這裡的 'if' 作為連接詞引導名詞子句（間接問句）。它的意思是「是否」，用於表達不確定性或詢問資訊。
Do you know if the library is open today?
你知道圖書館今天是否有開嗎？
EN： In Western academic culture, asking for an extension is acceptable if there is a valid reason (like illness). Using tentative language like 'I was wondering' shows respect for the professor's authority and acknowledges that the request is a favor, not an entitlement.
中文： 在西方學術文化中，如果有正當理由（如生病），請求延期是可接受的。使用如 'I was wondering' 這種試探性語言，展現了對教授權威的尊重，並承認這項請求是一種請求協助，而非理所當然的權利。
EN： Indirect Questions: When a question is placed inside another sentence, the word order changes from 'verb-subject' (Why do you need...?) to 'subject-verb' (Why you need...). This makes the request sound more polite and formal.
中文： 間接問句：當一個疑問句被置於另一個句子中時，語序會從「助動詞-主詞」（Why do you need...?）改為「主詞-動詞」（Why you need...）。這會使請求聽起來更禮貌且正式。
Could you tell me where the library is?
你能告訴我圖書館在哪裡嗎？
EN： Modal Verb 'May': Used to ask for permission in a formal or polite manner. It is more formal than 'can'.
中文： 助動詞 'May'：用於以正式或禮貌的方式請求許可。它比 'can' 更具正式感。
May I borrow your pen for a moment?
我可以借用一下你的筆嗎？
EN： In academic settings, professors often use polite indirect questions to maintain a professional distance while showing concern. Using 'May I ask' instead of 'Why do you...' softens the inquiry, making it feel less like an interrogation and more like a supportive conversation.
中文： 在學術環境中，教授通常會使用禮貌的間接問句，在展現關懷的同時保持專業距離。使用「May I ask」而不是直接問「Why do you...」可以軟化語氣，使詢問聽起來不像是在審問，而更像是一場支持性的對話。
EN： Present Perfect Tense (have been): Used here to describe a state that started in the past and continues into the present moment within a time period that is not yet finished (this week).
中文： 現在完成式 (have been)：這裡用來描述一個從過去開始並持續到現在的狀態，且發生在一個尚未結束的時間段內（這週）。
I have been busy all morning.
我整個早上一直都很忙。
EN： Be able to (past tense: was able to): Used to express the ability or possibility to do something in a specific situation in the past. It is often more formal than 'could'.
中文： Be able to (過去式：was able to)：用於表達在過去特定情況下做某事的能力或可能性。通常比 'could' 更正式一點。
She was not able to attend the meeting yesterday.
她昨天無法參加會議。
EN： In academic settings, when asking for an extension, it is common to provide a specific reason (like illness) and offer documentation (like a doctor's note) to maintain professional accountability.
中文： 在學術環境中，要求延期繳交作業時，通常會提供具體原因（如生病）並主動提供證明文件（如醫生證明），以展現負責任的態度。
EN： The phrase 'I am sorry to hear that' uses the structure 'Subject + be + adjective + to-infinitive' to express an emotional reaction to information. Here, 'sorry' means feeling sympathy or pity, not apologizing for a mistake.
中文： 句型「主詞 + be動詞 + 形容詞 + 不定詞 (to V)」用來表達對某項資訊的情緒反應。這裡的 'sorry' 表示同情或遺憾，而非為錯誤道歉。
I was happy to see you at the party.
很高興在派對上見到你。
EN： The auxiliary verb 'do' is used to form a question in the present simple tense for non-be verbs. The structure is 'Do/Does + subject + base verb'.
中文： 助動詞 'do' 用於非 be 動詞的一般現在式疑問句。結構為「Do/Does + 主詞 + 原型動詞」。
Do you need any help with your homework?
你的作業需要幫忙嗎？
EN： In academic and professional settings in English-speaking countries, a 'doctor's note' (or medical certificate) is a standard requirement to justify absences or request deadline extensions due to illness. It ensures fairness and formal documentation.
中文： 在英語國家的學術或職場環境中，「醫生證明」(doctor's note) 是因病缺席或申請延期繳交作業的標準要求。這能確保程序公平並提供正式紀錄。
EN： The auxiliary verb 'do' is used here as a substitute for the main verb phrase 'have a note' to avoid repetition. This is common in short answers.
中文： 助動詞「do」在此處用作主要動詞短語「have a note」的代名詞，以避免重複。這在簡短回答中非常常見。
Do you like coffee? Yes, I do.
你喜歡咖啡嗎？是的，我喜歡。
EN： The preposition 'by' is used to indicate the method or means of communication or transportation.
中文： 介係詞「by」用於表示溝通或交通的方法或手段。
We can stay in touch by phone.
我們可以透過電話保持聯絡。
EN： In academic settings, providing a doctor's note is a standard requirement for requesting extensions due to illness. It ensures fairness and formalizes the excuse.
中文： 在學術環境中，提供醫生證明是因病申請延期繳交作業的標準要求。這能確保公平性並使請假理由正式化。
EN： The modal verb 'can' is used here to express permission or possibility within a formal context. It indicates that the speaker has the authority to grant the request.
中文： 情態助動詞 'can' 在此處用於表達正式語境下的許可或可能性。它表示說話者有權限批准該請求。
You can submit your report by the end of the day.
你可以在今天結束前提交報告。
EN： The phrase 'make sure' is followed by a subordinate clause (that-clause) to express an obligation or a requirement to ensure a specific outcome.
中文： 'Make sure'（確保）後面接從句（that-clause），用於表達義務或要求，以確保達成特定結果。
Please make sure the door is locked before you leave.
請確保在你離開前門是鎖好的。
EN： In Western academic culture, 'office hours' are dedicated times for students to discuss concerns. While professors are often strict about deadlines, they are usually willing to grant extensions if a student provides a valid reason, such as a medical note.
中文： 在西方學術文化中，「Office hours」（教師辦公時間）是專門留給學生討論問題的時間。雖然教授通常對截止日期要求嚴格，但如果學生能提供正當理由（如醫生證明），他們通常願意給予延期。
EN： The Future Simple tense (will + base verb) is used here to ask about a future consequence or possibility. 'Will' functions as a modal auxiliary verb to indicate future time.
中文： 未來簡單式（will + 動詞原形）在此用於詢問未來的結果或可能性。「Will」作為情態助動詞，用來表示未來時間。
Will this rain delay our flight tomorrow?
這場雨會延誤我們明天的航班嗎？
EN： The phrase 'in any way' is an adverbial phrase used to emphasize the scope of the question, meaning 'at all' or 'by any means'.
中文： 短語「in any way」是一個副詞片語，用於強調問題的範圍，意指「以任何方式」或「根本」。
I don't want to interfere in your life in any way.
我不想以任何方式干涉你的生活。
EN： In Western academic culture, it is common and acceptable to ask for an extension if you have a valid reason (like illness). However, students are expected to be polite and provide documentation (like a doctor's note) when requested. Asking if an extension affects the grade shows the student's concern for academic integrity and performance.
中文： 在西方學術文化中，如果有正當理由（如生病），申請延期是常見且可被接受的。然而，學生應保持禮貌，並在要求時提供證明（如醫生證明）。詢問延期是否影響成績，展現了學生對學術誠信和表現的重視。
EN： Passive Voice (be + past participle): Used when the action is more important than the person performing it. Here, 'will be graded' focuses on the assignment's evaluation process.
中文： 被動語態 (be 動詞 + 過去分詞)：用於強調動作本身而非執行者。這裡的 'will be graded' (將被評分) 聚焦於作業的評估過程。
The final report will be submitted by the team leader.
最終報告將由團隊負責人提交。
EN： Possessive Pronouns with 's: The phrase 'everyone else's' uses an apostrophe and 's' to indicate possession, referring to 'everyone else's assignment' without repeating the noun.
中文： 所有格代名詞 ('s)：短語 'everyone else's' 使用撇號加 s 來表示所有權，指的是「其他人的作業」，以避免重複名詞 assignment。
My car is faster than John's.
我的車比約翰的快。
EN： In Western academic culture, professors often grant extensions for medical reasons without penalizing the student's grade, provided there is official documentation (like a doctor's note). This reflects a balance between strict deadlines and student welfare.
中文： 在西方學術文化中，只要提供正式證明（如醫生證明），教授通常會因醫療原因給予延期且不扣分。這反映了在嚴格截止日期與學生福利之間的平衡。
EN： The auxiliary verb 'will' is used here as an elliptical response. It stands for 'I will do my best work,' omitting the main verb phrase to avoid repetition in conversation.
中文： 助動詞「will」在這裡作為省略回答。它代表「I will do my best work」，省略了主要動詞短語以避免對話中的重複。
A: Please call me later. B: I will.
A：請晚點打給我。B：我會的。
EN： The structure 'Thank you for [Noun/Gerund]' is used to express gratitude for a specific reason. When there are multiple reasons, they can be connected with 'and'.
中文： 「Thank you for [名詞/動名詞]」的結構用於表達對特定原因的感謝。當有多個原因時，可以用「and」連接。
Thank you for the gift and for your kindness.
謝謝你的禮物和你的好意。
EN： In academic settings, it is common and polite to thank a professor specifically for their 'clarification' or 'guidance' after a meeting, as it acknowledges their expertise and time.
中文： 在學術場合中，會後特別感謝教授的「澄清 (clarification)」或「指導」是很常見且禮貌的做法，這展現了對其專業知識和時間的尊重。
EN： The verb 'hope' is followed by a clause (that-clause) expressing a desired future outcome. In casual conversation, the conjunction 'that' is often omitted.
中文： 動詞「hope」(希望) 後面接一個子句（that 子句）來表達期望的未來結果。在口語中，連接詞「that」通常會被省略。
I hope you have a safe flight.
我希望你飛行平安。
EN： The phrase 'feel better' uses the linking verb 'feel' followed by the comparative adjective 'better' to describe a change in physical or emotional state.
中文： 片語「feel better」使用連綴動詞「feel」後接比較級形容詞「better」，用來描述身體或情緒狀態的改善。
Drink some water and you will feel better.
喝點水，你會感覺舒服些。
EN： In Western academic settings, professors often use friendly but professional language to show empathy when a student is ill, maintaining a balance between authority and approachability.
中文： 在西方學術環境中，教授在學生生病時通常會使用友善且專業的語言來表達同理心，在權威與親和力之間保持平衡。
重要單字附有 IPA 發音、定義、例句和互動式測驗。
在本文中： 指老師分配給學生的課業任務或作業。
在本文中： 對模糊不清的事情進行解釋或澄清，使其更易理解。
在本文中： 指截止日期的延期或期限的延長。
在本文中： 最後限期，必須在此時間前完成某事。
在本文中： 以正確、適當或令人滿意的方式。
在本文中： 提交、呈遞（作業、文件等）。
在本文中： 推薦、建議（使用的資源或方法）。
在本文中： 做某事的目的或意圖。
在本文中： （研究或寫作用的）資料來源、文獻。
在本文中： 評分、打分數。
片語包含類型標示、雙語定義、用法說明和例句。
Scheduled time when a professor is available to meet with students.
（教授的）諮詢時間
Required to be finished or submitted by a specific time.
在（某日）截止
A friendly way to say goodbye, wishing someone well.
保重、慢走
To ensure that something happens or is true.
確保、務必
An additional period of time allowed to complete a task or submit an assignment after the original deadline.
延期（繳交期限）
A formal document or certificate issued by a medical professional that confirms a patient's illness or medical condition.
醫生證明 / 診斷證明