Problems in study 學習疑問。
    一、talk show【脫口而出】
    1、is there anything not clear to you?
    有什么地方不清楚嗎？
    Clear：清楚，明晰
    另外一種說法
    Do you understand me thoroughly?
    你們徹底理解了嗎？
    2、do not hesitate to ask me if anything is not clear to you ?
    有什么不清楚的地方盡管問
    Hesitate to do something 猶豫做某事
    3、could you explain these definitions again?
    您能再解釋一下這些定義嗎？
    Definition ：定義
    4、have you got anything to add to what Jim said?
    對吉姆所講的呢還有補充嗎？
    add to 補充
    5、again, please
    請再說一遍。
    Once more
    Once again, please
    Repeat, please
    二、reply fluently 【對答如流】
    A: do you understand, Mary?
    B: I have a question, Mr. Green. Could you please help me out?
    A: ok what’s you question?
    B: I am afraid I can not catch what you say. Would you explain it again?
    A: sure, I will.(explaining) do you understand now, mary?
    B: I beg your pardon. Would you speak a little more slowly?
    A: all right. (explaining) you got it?
    B: thank you very much. I understand now
    help me out 幫助……
    catch 理解 領會 在此與understand同一個意思
    I beg your pardon. 您能再說一遍嗎？
    中文翻譯
    A: 瑪麗，你懂了嗎？
    B: 格林老師，我有個問題。您能幫我嗎？
    A: 請講，什么問題？
    B: 我恐怕沒領會您的意思。您能再解釋一遍嗎？
    A: 可以，沒問題。（解釋）你現(xiàn)在懂了嗎？
    B: 請再講一遍。您能說的慢一點嗎？
    A: 好的。（解釋）你懂了嗎？
    B: 現(xiàn)在我懂了，非常感謝。