n.

1. （通常大写）（节日等的）前夜，前夕[U]
   They held a party on New Year's Eve.

   他们在除夕举行了晚会。

2. （重大事件发生的）前一刻，前夕[the S][（+of）]
   Clay was nervous on the eve of the examination.

   克莱在考试前夕很紧张。

3. 【书】傍晚[U]

n.

1. the day or period of time immediately before an event.
   ▸the evening or day before a religious festival.
2. chiefly literary evening.