サイ
Meanings
Adverb
Noun
1. occasion; time; circumstances; (in) case (of); when
Pitch accent
サ
イ
Used in vocabulary (27 in total)
in so doing; when you do so; in this regard; on this occasion; some time during that period
on this occasion; now; in these circumstances; with this opportunity
company; friendship; association; (romantic) involvement; dating
Examples (19 in total)
Please turn off the lights when you leave the room.
You should be careful in choosing friends.
Don't forget to take your umbrella when you leave.