It doesn't work.

坏了；不动了。

Take it easy.

别紧张。

I'm mad at myself.

我生自己的气。

He realized that he was heading in the wrong direction.

他意识到走错了方向。

We have no vacancies now, but we'll certainly bear your application in mind.

我们目前没有空缺，但是我们一定记住你申请的事。

Please hurry, we're a bit pressed for time.

请快点，我们时间不多了。