A thousand times no! 絕對辦不到！

Don't mention it. 沒關系，別客氣。

Who knows! 天曉得！

It is not a big deal! 沒什么了不起！

How come… 怎么回事，怎么搞的。 （很常用，可以用在發牢騷、抱怨、意外等語境）

Easy does it. 慢慢來。

Don't push me. 別逼我。

Come on! 快點，振作起來！

Have a good of it. 玩得很高興。（口語很少用Have a good time)

It is urgent. 有急事。

What is the fuss？ 吵什么？

Still up？ 還沒睡呀？

It doesn't make any differences. 沒關系。

Don't let me down. 別讓我失望。

God works. 上帝的安排。

Don't take ill of me. 別生我氣。 （注意，這里用了take ill of）

Go down to business. 言歸正傳。

None of my business. 不關我事。

It doesn't work. 不管用。

I'm not going. 我不去了。

Does it serve your purpose？ 對你有用嗎？

I don't care. 我不在乎。

Not so bad. 不錯。

No way! 不可能！

Don't flatter me. 過獎了。

Your are welcome. 你太客氣了

Hope so. 希望如此。