21 Who is this, please?     
请问你是哪一位？
22 Who is calling, please?      
请问你是谁？
23 May I have your name?      
请问你姓名？
24 Whom are you calling?        
你要找谁？
25 Will you please spell his name for me?
请你把他的名字拼给我好吗？
26 Please say it again.          
请再说一遍。
27 Would you speak a little louder?
28 Will you speak up, please?  
请你大声一点。
29 Will you speak more slowly? 
请你说慢一点。
30 Mr. Wang is not in now.
王先生现在不在此地。

31 He is not in now.         
他现在不在这里。
32 He has not come in yet.       
他还没有来。
33 He will be here in 30 minutes.
34 He has gone home.      
35 He is in conference.          
他正在开会。
36 May I take your message? 
你需要留言吗？
37 May I have him call you back?
要我请他回你电话吗？
38 I am sorry Mr. Chen is unavailable, would you like to speak to anyone else?
抱歉陈先生不在，你要不要跟其他人讲话？
39 I will transfer this call to Mr. Chen.
我把这个电话转给陈先生。
40 Would you hold the line, please, I will find out his number for you.