し
Meanings
2
Gives one reason among others, often implying there are additional unstated reasons. Usually indicates one of several reasons.
It's started raining, and (for that and other reasons) let's not go out today.
3
the thing is; for one thing
Used at the end of a sentence to give a reason for an unstated but deducible conclusion. Often softens a statement or implies 'you know'.
Well, I'm busy too, you know.
It's late, so let's go home (implying that's a good enough reason).
Usage patterns
- 〈動詞〉し、〈動詞〉しboth ... and ...; listing parallel facts or reasons
It's raining, and on top of that the wind is strong.
- 〈形容詞〉しgiving one reason among several (adjective + し)
I'm busy, so (among other reasons) I can't go today.
- 〈名詞〉だしnoun-based reason (noun + だ + し)
Today's a day off, so let's go somewhere.
- 〈事〉し。trailing off with し to hint at an unstated reason or conclusion
Well, it's expensive, you know.