It slipped my mind.

我忘了。

It's been a long time.

好久不见了。

Are you out of you mind?

你疯了吗？

It is so necessary for you to have some rest and relaxation.

你特别需要休息和娱乐。

The recent rain has had a bad effect on the crops.

最近的那场雨对庄嫁的影响不好。

He is hard to please.

他是难以取悦的。