?

Sure./Certainly./Definitely./Absolutely. 當(dāng)然。

As soon as possible. 盡快。

That's enough. 夠了。

It doesn't matter. 沒關(guān)系。
It's not important. 不重要。
It's not serious. 不嚴(yán)重。
It's not worth it. 不值得。

I'm in a hurry. 我很急。
I've got to go. 我要走了。
I'm going out. 我要出門。

Sleep well! 睡個好覺！

Same to you! 你也是！

Thanks for your help/hospitality/email. 謝謝你的幫助/熱情款待/郵件。

Sorry I'm late. 對不起我來晚了。
Sorry to keep you waiting. 對不起讓你久等了。
Sorry for the delay. 對不起慢了一點。

Only joking!/Just kidding! 只是開個玩笑。

Bless you! (after a sneeze) （在人家打噴嚏后說）愿神保佑你。（因為西方人相信在打噴嚏的瞬間，靈魂會出竅，惡魔會趁虛而入）

That's funny! 真逗！

That's life! 這就是生活！

Damn it! 該死！

Is anything wrong? 有什么問題嗎？
What's the matter? 出什么事了？
Is everything OK? 都好嗎？