since

意味

• prep. ～以来
• adv. それ以来
• conj. ～以来
• conj. ～なので

英語の定義

• adv. From a definite past time until now; as, he went a month
• ago, and I have not seen him since.
• adv. In the time past, counting backward from the present;
• before this or now; ago.
• adv. When or that.
• prep. From the time of; in or during the time subsequent to;
• subsequently to; after; -- usually with a past event or time for the
• object.
• conj. Seeing that; because; considering; -- formerly followed
• by that.

例文

1. prep. ～以来

   She has lived in Tokyo since 2015.

   彼女は2015年以来、東京に住んでいます。

2. adv. それ以来

   He left the company last year and I haven't seen him since.

   彼は昨年会社を辞めましたが、それ以来会っていません。

3. conj. ～以来

   We have been good friends since we met at university.

   私たちは大学で出会って以来、ずっと良い友人です。

4. conj. ～なので

   Since it is raining outside, we should stay indoors today.

   外は雨が降っているので、今日は室内で過ごすのが良いでしょう。