1.Above all：最重要的是，most important of all

　　Above all， theyll have to discover how much nitrogen it possesses since nitrogen is4/5 of the air breathe.

　　2.Account for：解释。说明

　　How do you account for the truth?

　　3.After all：终究，毕竟

　　We wont be laid off after all.

　　4.Air /car crash：空难，车祸

　　5.Allergic to：过敏

　　Im allergic to beef and mutton.

　　6.Appeal to：吸引，呼吁。

　　Could you tell me which position you think most appeals to you?

　　7.Apply for/to， application letter 申请，求职信

　　8.At ease：安逸，自由自在

　　I dont 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.