第一句：I'll let him know.

我会转达的。

A: I wonder if you could give Mr. Wang a message for me.

能否请您帮我给王先生留个言?

B: Yes, certainly.

好的，当然可以。

A: There will be a very urgent meeting at 3 o'clock this afternoon and I would like him to attend.

下午3点有个紧急会议，希望他参加。

B: I'll let him know.

我会转达的。

第二句：Shall I ask him to call you when he is free?

我让他有空给您回电话，好吗?

A: I don't think the meeting will go on much longer. Shall I ask him to call you when he is free?

我想会议不会开得太久，我让他有空给您回电话，好吗?

B: Yes, that would be nice.

那样最好了。

A: Could I have your phone number, please?

能告诉我您的电话号码吗?

B: Yes. 021-64358796.

好的。021-64358796。

知识延伸：

得体的回答：来电应在第二声铃响之后立即接听，在礼貌问候对方之后应主动报出公司或部门名称以及自己的姓名，切忌拿起电话劈头就问：“喂，找谁?”

其他表达法：

You'll be hearing from Mr. Green later in the morning then, Mr. Smith.

史密斯先生，上午晚些时候格林先生会打电话给您。