A:Hello. Can I talk to David? 

你好。能让David接电话吗？

B:One second, please. ( a few seconds later, the receiver comes back and says) Hello?

请稍等。（片刻后，接电话者返回并说）喂？

A:Yes. 

请讲。

B:I’m sorry. David is out for lunch right now.

很抱歉，David出去吃午饭了。

A:Okay. I’m his wife. Could you tell him to call me back when he returns? 

好的。我是他妻子。等他回来了能让他给我回个电话吗？

B:Sure. 

当然。

A:Thanks. Please tell him to call my cell-phone number. 

谢谢。请让他打给我的手机。

B:Ok, I will.

好的，我会的。

A:Thank you very much. 

非常感谢。

B:No problem.

不客气。