美国人常用英语口语

 quit it! 别闹!

Don't mention it. 没关系，别客气。

Who knows! 天晓得!

It is not a big deal! 没什么了不起!

How come… 怎么回事，怎么搞的。

Don't push me. 别逼我。

Come on! 快点，振作起来!(come on的含义很多，主要体现在语气上，使用时请注意语气)Have a good of it.玩的很高兴。

It is urgent. 有急事。

What is the fuss? 吵什么?

Still up? 还没睡呀?

It doesn't make any differences. 没关系。

Don't let me down. 别让我失望。

God works. 上帝的安排。

Hope so. 希望如此。

get to the point言归正传。(go down to business我感觉没有get to the point常用，所以换掉)None of my business. 不关我事。

It doesn't work. 不管用。

I'm not going. 我不去了。

Does it serve your purpose? 对你有用吗?

I don't care. 我不在乎。

Not so bad. 不错。

No way! 不可能!

Don't flatter me. 过奖了。