13.I'm sorry but could you explain in a little more detail? 14.May I think about that for a moment? 15.Pardon? I'm sorry? 16.Perhaps I should make that clearer by saying... 17.Sorry, I'm probably not making myself clear. Let me put it another way. 18.That's right. 19. That's a difficult question to answer. Let me see 20. That's a very interesting question. Let me think. 21. True enough. 22. Well, it's rather difficult to say at present. do you mean that...? 24. When you say 25.Would you mind repeating that? Asking for repetition I'm sorry?