eleventh hour

n. 最后一刻, 危急之时

例句与用法：

If any guest failed at the eleventh hour, Todd was asked to dine.

如果有什么客人到时不能来，托德就会被请来凑数。

He was about to be led to the scaffold when at the eleventh hour a messenger arrived bringing a royal pardon.

就在他要被带上断头台的最后时刻，一名使者带来了女王的赦免令。

The president's visit was called off at the eleventh hour.

总裁的这次访问到最后取消了。

The bill was about to be defeated, but at the eleventh hour enough votes were found to pass it.

这个议案几乎要被否决，最后一刻却获得了足够票数得以通过。

详细释义：

ph.

最后一刻; 危急之时