ph.

1. They finished the work ahead of time.
他们提前完成了工作。

1. 提前：⑷ against time 赶时间,争分夺秒 | ⑸ ahead of time 提前 | ⑹ all the time 一直,始终

2. 提前,在原定时间以前：ahead of schedule 提前 | ahead of time 提前,在原定时间以前 | ahead of 在...前面,先于;胜过

3. 提早：agree with 同意 | ahead of time 提早 | aim at 瞄准,针对

4. 比......提前,比......;更早：1. ahead of (表示空间)在......前面;(表示时间)先,预先, | 2. ahead of time 比......提前,比......;更早 | 3. aim at 向......瞄准

adv

1. before the usual time or the time expected

e.g. she graduated early
the house was completed ahead of time

Synonym: earlytoo soon