He arrived there at the eleventh hour.

他刚好到达那里。

Their plan was called off at the eleventh hour.

他们的计划在最后时刻被取。

Our pianist had fallen ill, and then, at the eleventh hour, when we thought we’d have to cancel the performance, Jill offered to replace him.

们的钢演奏者，在最后关头，当们以为不得不取表演时， 吉尔表示愿意代替他演出。