介绍:

Where were we?
我们说到哪来着？ (用于被打断后试图去想起之前讨论的话题)

Can you say it again, please?
能再说一遍吗？

Could you slow it down a bit, please?
请问能说慢一点吗？

That's a good one! (牛X；真搞笑 当听到一个笑话或者一个很机智的回复时)

Really? Tell me more about it!
真的吗？快给我讲讲。

You got me there.
真还把我问住了。 (相当于I don't know，但是更加随意，不生硬)