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。