I'm having a swell time.

我玩得很开心 。

原句：I'm having a wonderful time.

I was taken in.

我受骗了。

原句： I was cheated.

Tell it to the marines.

我不会相信的。

原句：I don't believe.

That's it.

不错，就是这样。

原句：That's the whole story.

There you go again.

啊呀！你又来了！

原句：No， not again.

What's up?

有什么好？

原句： What's going on?

What are you up to?

你又搞什么鬼？

原句： What do you intend to do now？

I'm on the wagon.

我戒酒了。

原句： I quit drinking.

Walls have ears.

隔墙有耳。

原句： Keep your voice down.

Still water runs deep.

大智若愚。

原句：A wise man playing a fool.