Hello! This is Mary. Is that John speaking?
你好！我是玛丽。你是约翰吗?
Sorry. He's out. This is Sam.
对不起。他出去了。我是山姆。
Sam! Could you take a message to him?
山姆!你能给他带个口信吗?
Sure.
当然。
Please tell him to call me back this afternoon.
请告诉他今天下午给我回电话。
OK, I will.
好的，我会的。