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.

　　11.Be aware of:意识到

　　I like people who are going about their daily business without being aware of the camera

　　12.Behind the schedule/late

　　13.Be in charge of:负责，照顾，经管 be responsible for

　　14.Be in the charge of:下级+be in the charge of+上级

　　15.Be in season:应季的，当令的

　　These apples and pears seem to be in season.

　　16.Be supposed to do:应该，被期望

　　What am I supposed to do with his help?

　　17.Book up

　　Break down/doesnt work

　　18.Bring up:教育，培养，提出

　　She brought up her children to be truthful.

　　19.Build up积累，增强，树立

　　20.By chance/run into:偶然

　　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.

　　11.Be aware of:意识到

　　I like people who are going about their daily business without being aware of the camera

　　12.Behind the schedule/late

　　13.Be in charge of:负责，照顾，经管 be responsible for

　　14.Be in the charge of:下级+be in the charge of+上级

　　15.Be in season:应季的，当令的

　　These apples and pears seem to be in season.

　　16.Be supposed to do:应该，被期望

　　What am I supposed to do with his help?

　　17.Book up

　　Break down/doesnt work

　　18.Bring up:教育，培养，提出

　　She brought up her children to be truthful.

　　19.Build up积累，增强，树立

　　20.By chance/run into:偶然