1.Above all:最重要的是，most important of all
   
    Above all, they’ll have to discover how much nitrogen it possesses since nitrogen is4/5 of the air breathe.(2002-1)
   
    2.Account for:解释。说明
   
    How do you account for the truth?
   
    3.After all：终究，毕竟
   
    We won’t be laid off after all.(1998-1)
   
    4.Air /car crash:空难，车祸
   
    5.Allergic to:过敏
   
    I’m allergic to beef and mutton.
   
    6.Appeal to:吸引，呼吁。
   
    Could you tell me which position you think most appeals to you?(2002-6)
   
    7.Apply for/to, application letter 申请，求职信
   
    8.At ease:安逸，自由自在
   
    I don’t know why he is ill at ease?心神不宁
   
    9.Back up:支持，援助。
   
    10.Beat the crowd :避开人群，避开高峰
   
    The only to beat the crowds when you do the grocery shopping on Sunday is to be here when they open at 9 sharp.(1990-6)