run out of time 用完全部时间；没时间了；时间快用完了

【例句】
We must take action immediately because time is running out.
我们必须立即采取行动，因为时间不多了。

We've run out of time, but we'll go on with this exercise next time.
今天时间用完了，我们下次继续做这个练习。