丢了工作不一定就是大难临头。

Losing your job doesn't have to be such a disaster.

如有大难临头，很多人会惊慌失措。

Many will doubtless be thrown into panic should a disaster strike.

我们所有人都有一种大难临头的感觉。

A sense of impending doom came upon all of us.

令人吃惊的是他们就没有一个人看出大难临头的预兆。

It is amazing that not one of them saw the writing on the wall.

远征出发的那天早上，我醒来就有一种大难临头的感觉。

On the morning of the expedition, I awoke with a feeling of impending disaster.