一、碰到自己不熟悉的话题的缓冲
1. Actually, it is a tough question for me because I have never thought about thatbefore, but l will try my best to answer it.
2. Well, let me see.
3.Well, what I really want to say is that..
4. The point I'm trying to make is that...
5. Let me put it another way..
二、没听懂，请求重复问题
1. I'm sorry, I don't get it.
2. Sorry, I didn't catch what you said just now.3. I'm afraid I'm not quite sure what you mean.4. I'm sorry. Could you be a little more specific?
5. Excuse me,I can't quite follow you. Would you please say it again?Excuse me,could you please repeat what you have just said?
7. Would you mind repeating your question?
8.I beg your pardon?
9. Could I understand your question like this...?
10. I think you were asking me about...Am I right?
三、出现口误，及时地加以解释和修正
1.I mean...
2. That is to say..
3.In other words,...
4. Well, I was saying..
5. To be more exact/accurate,...
6. I'll put it (in) this way..
四、思维卡顿
1. lt's something like..
2. It's a kind of thing to...
3.As you know,...
4. lt goes without saying...
5. You know...
6. Well, let me see,...
五、核实自己是否理解正确
1. Let me see if I understand.
2. Let me see if l got that right.
3. Do you mean...?
4. Does it mean...?
5. So you're saying that....