n.

1. 订婚；婚约[C][（+to）]
   Jack and Amy invited many friends to their engagement party.

   杰克和艾米邀请了许多朋友参加他们的订婚晚会。

2. 诺言，保证[C]；需偿付的款项[P]
   He has only enough money to meet his engagements.

   他的钱刚够付约定的款项。

3. 约会[C]
   I have an engagement with him this afternoon.

   今天午后我和他有个约会。

4. 雇用；雇用期[C]
   The singer signed a contract for a two-week engagement.

   那位歌手签了为期两周的演出合同。

5. 交战；战斗[C]
   win an engagement

   打赢一仗

6. 【机】啮合[U][C]

n.

1. a formal agreement to get married.
2. an appointment.
3. the action of engaging or being engaged.
4. a battle between armed forces.