EN： The Present Perfect Tense (have + past participle) is used here with the adverb 'just' to describe an action that was completed in the very recent past.
中文： 现在完成时（have + 过去分词）在此处与副词“just”连用，用来描述在极短的过去时间内刚刚完成的动作。
I have just finished my lunch.
我刚吃完午饭。
EN： The modal verb 'should' is used in a question to ask for advice, instructions, or direction.
中文： 情态动词“should”用于疑问句中，用来征求建议、指示或方向。
What should I wear to the party?
我参加派对该穿什么？
EN： In international travel, 'Where should I go?' is a common and polite way to ask customs or immigration officers for directions to the next checkpoint (e.g., baggage claim or passport control).
中文： 在國際旅行中，「Where should I go?」是向海關或移民局官員詢問下一個檢查點（如行李領取處或護照查驗處）方向時，非常常見且禮貌的表達方式。
EN： Imperative Mood: This sentence uses the imperative mood to give polite instructions. Starting with 'Please' softens the command, making it a polite request. The base form of the verb (step) is used without a subject.
中文： 祈使句：此句子使用祈使句来给予礼貌的指示。以“Please”开头可以软化语气，使其成为礼貌的请求。动词使用原形（step），且省略主语。
Please remain seated until the plane comes to a complete stop.
在飞机完全停止之前，请留在座位上。
EN： With + Object + Adjective: This structure describes the state or condition of something while another action is happening. Here, 'with your passport ready' explains the required state of the passport during the action of stepping forward.
中文： With + 宾语 + 形容词：这种结构描述在进行另一项动作时，某事物的状态或情况。在这里，“with your passport ready”解释了在向前走这项动作期间，护照应处于的准备状态。
He walked into the room with his eyes wide open.
他睁大眼睛走进了房间。
EN： In immigration and customs settings, officials use polite but firm language. Phrases like 'step forward' and 'have your X ready' are standard procedural English designed to keep queues moving efficiently.
中文： 在入境和海關環境中，官員會使用禮貌但堅定的語言。像「step forward」和「have your X ready」是標準的程序英語，旨在保持隊伍高效移動。
EN： Polite Requests with 'Could you please': This structure uses the modal verb 'could' to make a request more formal and polite than using 'can'. It is commonly used in official or professional settings.
中文： 使用 'Could you please' 的礼貌请求：此结构使用情态动词 'could'，使请求比使用 'can' 更加正式且有礼貌。这在官方或专业场合中非常常见。
Could you please sign this document for me?
可以请您帮我签署这份文件吗？
EN： Noun Phrase Structure 'Purpose of visit': This is a formal way to ask 'why are you here'. The preposition 'of' connects the noun 'purpose' with its specific context 'visit'.
中文： 名词短语结构 'Purpose of visit'：这是询问“你为什么在这里”的正式方式。介词 'of' 将名词 'purpose'（目的）与其特定语境 'visit'（访问/入境）连接起来。
The purpose of the meeting is to discuss the budget.
会议的目的在于讨论预算。
EN： In immigration and customs contexts, officials use formal language like 'state' instead of 'say' and 'purpose of visit' instead of 'why are you here' to maintain a professional and authoritative tone.
中文： 在入境檢查和海關語境中，官員會使用正式語言，例如用 'state' 代替 'say'，用 'purpose of visit' 代替 'why are you here'，以維持專業且權威的語氣。
EN： The phrase 'on a holiday' uses the preposition 'on' to indicate the state or purpose of being somewhere. It is often followed by 'to' + infinitive to express the specific intention.
中文： 短语“on a holiday”使用介词“on”来表示身处某地的状态或目的。后面常接“to + 动词原形”来表达具体的意图。
She is currently on a business trip to attend a conference.
她目前正在出差参加一个会议。
EN： The 'to-infinitive' (to explore, to visit) is used here as an adverbial of purpose, explaining 'why' the speaker is there.
中文： 这里使用“不定式”(to explore, to visit) 作目的状语，用来解释说话者在那里的“原因”。
I went to the library to study for my exams.
我去图书馆是为了备考。
EN： When entering a country, it is common to provide a clear, concise reason for your visit. Using phrases like 'explore the city' or 'visit friends' is standard for a tourist visa entry.
中文： 入境時，簡潔明瞭地說明訪問原因是非常重要的。使用如「探索城市」或「拜訪朋友」等詞彙是申請觀光簽證入境時的標準說法。
EN： Linking Verbs (Copular Verbs): 'Sound' is used to describe an impression. It is followed by an adjective (lovely) rather than an adverb to describe the subject.
中文： 连系动词：'Sound' 用于描述印象。其后接形容词（lovely）而非副词，用来修饰主语的状态。
That idea sounds perfect for our project.
那个主意听起来对我们的项目来说很完美。
EN： Noun Phrases as Subjects: 'The expected duration of your stay' is a complex noun phrase where 'duration' is the head noun, modified by 'expected' and the prepositional phrase 'of your stay'.
中文： 名词短语作主语：'The expected duration of your stay' 是一个复合名词短语，其中 'duration'（时长）是中心词，由 'expected'（预计的）和介词短语 'of your stay'（您停留的）所修饰。
The total cost of the trip was unexpected.
这次旅行的总费用出乎意料。
EN： In English-speaking customs and immigration contexts, officers often use polite but formal language like 'lovely' or 'very good' to maintain a professional yet welcoming atmosphere, even while conducting official questioning.
中文： 在英語國家的海關與入境場景中，官員經常使用如 'lovely' 或 'very good' 這樣禮貌但正式的詞彙，以在進行官方詢問時保持專業且友善的氛圍。
EN： Future Continuous Tense (will be + -ing): This tense is used to describe an action that will be in progress at a specific time in the future or to talk about planned future events.
中文： 将来进行时 (will be + -ing)：此时态用于描述在将来某个特定时间点正在进行的动作，或用来谈论已计划好的将来事件。
I will be working from home tomorrow afternoon.
我明天下午将在家工作。
EN： Present Perfect Tense (have/has + past participle): Used here to indicate an action that was completed in the past but has relevance to the current situation (the booking is done).
中文： 现在完成时 (have/has + 过去分词)：这里用于表示过去已经完成，但与现状相关的动作（订房已经完成）。
She has already finished her homework.
她已经完成她的作业了。
EN： In customs interviews, providing specific details like the duration of stay and accommodation proof (hotel booking) helps establish credibility and speeds up the entry process.
中文： 在海關面試中，提供具體的細節（如停留時間）和住宿證明（如飯店預訂資訊）有助於建立可信度並加快入境流程。
EN： The sentence uses the 'Do + subject + base verb' structure to form a Yes/No question in the Present Simple tense. 'Anything' is an indefinite pronoun used here in a question to refer to an unknown object.
中文： 本句使用“Do + 主语 + 动词原形”的结构来构成一般现在时的疑问句。'Anything' 是一个不定代词，在此用于疑问句中，指代不明确的物品。
Do you have anything to add to the report?
你对这份报告有任何要补充的吗？
EN： The 'to-infinitive' (to declare) acts as an adjective modifying the indefinite pronoun 'anything', specifying what kind of 'anything' is being discussed.
中文： “不定式”(to declare) 在此用作定语，修饰前面的不定代词 'anything'，明确说明是什么样的物品（需要申报的物品）。
I have a lot of work to do today.
我今天有很多工作要做。
EN： In international travel, 'declaring' refers to the legal act of informing customs officials about goods you are bringing into a country that may be subject to taxes, restrictions, or prohibitions (like food, alcohol, or large amounts of cash). Failure to declare can lead to fines or confiscation.
中文： 在國際旅遊中，「申報」(declare) 是指法律上告知海關人員您攜帶入境的物品，這些物品可能涉及稅收、限制或禁令（如食物、酒精或大額現金）。未如實申報可能會導致罰款或物品被沒收。
EN： The Present Perfect tense ('ve brought) is used here to describe a past action (bringing the items) that has a direct result or relevance to the current situation (the customs inspection).
中文： 现在完成时 ('ve brought) 在此处用于描述过去发生的动作（带了这些物品），且该动作与目前的状况（海关检查）有直接的联系或影响。
I've lost my keys, so I can't open the door.
我弄丢了钥匙，所以我现在没办法开门。
EN： The phrase 'what counts' functions as a noun clause acting as the object of the adjective 'sure'. It uses a wh-word to introduce an indirect question or a concept.
中文： 短语 'what counts' 作名词性从句，担任形容词 'sure' 的宾语。它使用疑问词来引导一个间接疑问句或概念，意指“哪些东西符合标准/算数”。
He doesn't know what matters most in this project.
他不知道这个项目中什么才是最重要的。
EN： In many countries, customs regulations are very strict regarding 'homemade' food because it hasn't been commercially processed or inspected, posing a potential risk for pests or diseases. Wine is usually allowed within a specific 'duty-free' limit.
中文： 在許多國家，海關對於「手工」食品的規定非常嚴格，因為這些食品未經商業加工或檢驗，可能攜帶病蟲害或疾病風險。而葡萄酒通常在特定的「免稅」額度內是允許攜帶的。
EN： The conjunction 'as long as' is used to express a condition, meaning 'provided that' or 'on the condition that'. It is often used to set limits or requirements for a situation to be true.
中文： 连词 'as long as' 用于引导条件状语从句，意思是“只要……”，常用于设定某种情况成立的限制或要求。
You can borrow my car as long as you drive carefully.
只要你小心驾驶，你就可以借我的车。
EN： The modal verb 'should' is used here to express probability or expectation, suggesting that based on the current rules, the outcome is likely to be positive.
中文： 情态动词 'should' 在此处用于表达可能性或预期，暗示根据现行规则，结果很可能是积极的。
The package should arrive by tomorrow morning.
包裹应该会在明天早上之前送达。
EN： In international travel, 'personal allowance' refers to the specific amount of goods (like alcohol or tobacco) a traveler can bring into a country without paying customs duties. Exceeding this limit usually requires a formal declaration and payment of taxes.
中文： 在國際旅遊中，「個人免稅額度」(personal allowance) 指的是旅客可以攜帶進入某國而無需繳納關稅的特定物品數量（如酒精或菸草）。超過此限額通常需要正式申報並繳納稅款。
EN： The sentence uses the Present Simple Passive Voice ('are considered'). This structure (be + past participle) is used when the focus is on the action or the object being acted upon, rather than who is performing the action.
中文： 句子使用了一般现在时的被动语态（are considered）。这种结构（be 动词 + 过去分词）用于当重点在于动作本身或宾语，而非执行动作的主体时。
Smoking is strictly prohibited in this building.
这栋建筑内严格禁止吸烟。
EN： The word 'However' is a conjunctive adverb used to introduce a statement that contrasts with or contradicts something that has been said previously.
中文： “However”是一个连接副词，用于引出与前文形成对比或转折的陈述。
The hotel was expensive; however, the service was excellent.
这家酒店很贵；然而，服务非常出色。
EN： Customs regulations regarding food vary significantly by country. Many nations (like Australia, New Zealand, and the USA) have strict biosecurity laws prohibiting homemade or unsealed food products to prevent the spread of pests and diseases.
中文： 各國對食品的入境海關規定差異很大。許多國家（如澳洲、紐西蘭和美國）有嚴格的生物安全法，禁止攜帶自製或未封裝的食品，以防止病蟲害傳播。
EN： The phrase 'have no idea' is a common idiomatic expression used to emphasize a complete lack of knowledge or understanding about something. It is more emphatic than simply saying 'I didn't know'.
中文： 短语“have no idea”是一个常见的习惯用语，用来强调对某事完全不了解或不知道。它比单纯说“I didn't know”语气更强烈。
I had no idea that the museum was closed on Mondays.
我完全不知道博物馆周一不开放。
EN： The future simple tense 'will happen' is used here to ask about the certain or immediate consequence of a situation. The structure 'What will happen to [something]?' is a standard way to inquire about the fate of an object.
中文： 这里使用一般将来时“will happen”来询问某种情况下必然或即将发生的结果。结构“What will happen to [某物]?”是询问某物后续处理或命运的标准方式。
What will happen to my luggage if I miss the connecting flight?
如果我错过了转机航班，我的行李会怎么样？
EN： At international borders, travelers are often unaware that 'homemade' items are strictly regulated because they lack commercial processing and labeling, which are required to ensure they don't carry pests or diseases. Being polite and cooperative (using 'Oh' and asking clarifying questions) is the best strategy when customs officers find prohibited items.
中文： 在國際邊境，旅客往往不知道「手工製作」的物品受到嚴格管制，因為它們缺乏商業加工和標籤，而這些是確保不攜帶病蟲害或疾病所必需的。當海關官員發現違禁品時，保持禮貌和配合（使用「Oh」並詢問澄清問題）是最好的策略。
EN： The phrase 'I'm afraid' is used as a polite marker to introduce bad news or a disagreement, softening the impact of the statement.
中文： “I'm afraid”作为礼貌性的标记，用于引出坏消息或不同意见，以缓和语气。
I'm afraid the flight has been delayed by two hours.
恐怕航班已经延误了两个小时。
EN： The conjunction 'as' is used here to provide a reason or explanation, functioning similarly to 'because' or 'since' in formal contexts.
中文： 连词“as”在此处用于提供理由或解释，在正式语境中功能类似于“because”或“since”。
He couldn't attend the meeting as he was traveling abroad.
因为他正在国外旅行，所以无法参加会议。
EN： Customs regulations regarding food items vary significantly by country. 'Homemade' goods are often restricted because they lack standardized processing and labeling, which poses a risk of introducing pests or diseases into the local ecosystem.
中文： 各國對食品的海關規定差異很大。「手工製作」的物品通常受到限制，因為它們缺乏標準化的加工和標籤，這可能會帶來將病蟲害引入當地生態系統的風險。
EN： The phrase 'make sure' is used to express the intention to ensure that something happens or is true. It is often followed by a 'to-infinitive' or a 'that' clause.
中文： 短语“make sure”用于表达确保某事发生或属实的意图。后面通常接“不定式 (to-infinitive)”或“that 从句”。
Please make sure to lock the door before you leave.
请确保在离开前锁好门。
EN： The future tense with 'will' ('ll) is used here to express a spontaneous decision or a promise made at the moment of speaking.
中文： 这里使用“will”的一般将来时（缩写为 'll）来表达说话当下所做的即时决定或承诺。
I'll call you as soon as I arrive at the airport.
我一到达机场就会打给你。
EN： In Western customs and immigration contexts, acknowledging a mistake with a polite 'I understand' and promising future compliance is often the best way to handle minor unintentional violations, such as bringing restricted food items.
中文： 在西方國家的海關與入境情境中，以禮貌的「I understand」承認錯誤並承諾未來會遵守規定，通常是處理無意間違反規定（如攜帶違禁食品）的最佳方式。
EN： The modal verb 'can' is used here to express possibility or ability, indicating that the information is available for the listener to access.
中文： 情态动词 'can' 在此处用于表示可能性或能力，指出听者可以获取这些信息。
You can check the flight status on the mobile app.
您可以在移动应用程序上查看航班状态。
EN： The use of the definite article 'the' before 'details' specifies that we are talking about particular information related to the previously mentioned regulations.
中文： 在 'details' 前使用定冠词 'the'，明确指出了我们正在讨论的是与先前提到的规定相关的特定信息。
Please read the instructions carefully before starting.
开始之前请仔细阅读说明。
EN： In professional or administrative contexts, using phrases like 'That's a wise decision' is a polite way to reinforce positive behavior and cooperation from the public.
中文： 在專業或行政場合中，使用「That's a wise decision」之類的短語是一種禮貌的方式，用來強化公眾的積極行為與配合態度。
EN： The preposition 'for' is used to indicate the reason for gratitude. When followed by an action, the verb must be in the gerund form (-ing).
中文： 介词“for”用于表示感谢的原因。如果后面接的是动作，动词必须使用动名词形式（-ing）。
Thank you for helping me with my homework.
谢谢你帮我做作业。
EN： Parallel structure: When connecting multiple reasons for thanks using 'and', both parts should follow the same grammatical pattern (for + noun and for + gerund).
中文： 平行结构：当使用“and”连接多个感谢原因时，两部分应遵循相同的语法结构（for + 名词 以及 for + 动名词）。
I am grateful for your kindness and for being so supportive.
我很感激你的好意以及你对我如此支持。
EN： In English-speaking cultures, expressing gratitude for specific qualities like 'patience' is highly valued, especially when dealing with officials or service staff, as it acknowledges their effort and professionalism.
中文： 在英語系國家中，針對特定的特質（如「耐心」）表達感謝是非常受重視的，特別是在與官員或服務人員溝通時，這代表了對他們努力與專業精神的認可。
EN： The imperative mood is used to give commands, instructions, or invitations. In this sentence, 'Enjoy' and 'don't hesitate' are imperatives that serve as a polite invitation and encouragement.
中文： 祈使句用于给予命令、指示或邀请。在此句子中，'Enjoy' 和 'don't hesitate' 是祈使句，用作礼貌的邀请与鼓励。
Don't hesitate to contact us if you have any questions.
如果您有任何疑问，请随时与我们联系。
EN： The zero conditional (or first conditional structure here) using 'if' expresses a condition and its result. 'If you need help' acts as a subordinate clause providing the condition for the main action.
中文： 使用 'if' 的条件句表达一个条件及其结果。“If you need help”作为从句，为主要动作提供了前提条件。
Please let me know if you are ready.
如果你准备好了请告诉我。
EN： In English-speaking service industries, 'don't hesitate to ask' is a standard polite phrase used to show openness and willingness to help, making the guest feel supported without being intrusive.
中文： 在英語國家的服務業中，「don't hesitate to ask」（請隨時提問）是一個標準的禮貌用語，展現出樂於助人的開放態度，讓客人在不感到被打擾的情況下感受到支持。
重要单词附有 IPA 发音、定义、例句和互动式测验。
在本文中： 持续的时间
在本文中： 大约地、大概地
在本文中： （向海关）申报
在本文中： 超过、超出（数量或限制）
在本文中： 限额、定量
在本文中： 禁止的、违禁的
在本文中： 限制、规定
在本文中： 没收、充公
在本文中： 许可证、执照
在本文中： 规章、条例
片语包含类型标示、双语定义、用法说明和例句。
The reason why someone is traveling to a particular place.
访问目的
To move to a position further front.
向前走、上前
Provided that; on the condition that.
只要...
To not know something at all.
完全不知道、不了解
To make a formal statement of goods being brought into a country to determine if tax or duty is owed.
申报
The specific amount of goods (such as alcohol or tobacco) that a traveler can bring into a country without paying customs duties.
个人免税额度
The government department or the area at a border responsible for collecting taxes on imported goods and preventing illegal trade.
海关