Tom: Andy told me to join his birthday party.

安迪让我去参加他的生日会。

Bob: That's good.

很好啊。

Tom: But I'm afraid I have no time to go to the party.

但是我恐怕没时间去。

Bob: Why?

为什么?

Tom: My mum is sick. She needs me.

我妈妈生病了。她需要我。

Bob: Oh,that's not good.

噢，真不巧。

Tom: But Andy is my best friend.I'm at a loss as to what to do.

但是安迪是我最好的朋友。我真不知道怎么办才好。

Bob: Make a phone call to him. He will understand you.

打电话给他吧。他会理解你的。

Tom: OK. That's what I can do.

好。我只能这么做了。

Bob: Go ahead.

去吧。