1.
the night before, eve
The evening or night immediately preceding a particular event or day. Often used for the eve of holidays, ceremonies, or significant occasions.
クリスマス前夜にケーキを食べた。
We ate cake on Christmas Eve.
試験の前夜は緊張して眠れなかった。
I was so nervous the night before the exam that I couldn't sleep.
結婚式の前夜、家族みんなで食事をした。
The night before the wedding, the whole family had dinner together.
COMMON COLLOCATIONS:
- 前夜祭 (eve festival, preliminary celebration)
- クリスマス前夜 (Christmas Eve)
- 大会の前夜 (the night before a tournament)
In formal or literary usage, 前夜 can also suggest the period just before a major historical turning point, as in 革命の前夜 (the eve of revolution).