1、a change of pace 节奏变换

　　You can’t do these chemistryexperiments all day long. You certainly need a  change of pace。

　　2、 a far cry from 相距甚远

　　The published book is far cry from the early manuscript。

　　3、 and how 的确

　　A: She’s a good dancer。 　　B: and how。

　　4、 a matter of time 时间问题

　　It is only a matter of time。

　　5、 a phone call away 一个电话之远、愿意过来帮忙。

　　If you need my help, do let me know. Just remember I am a phone call  away。

　　6、 a while back 不久以前

　　7、all along 一直

　　I knew it all along。

　　8、 anything but 不

　　I was anything but happy about going。

　　9、 account for 解释

　　How do you account for it?

　　10、 after all 到底

　　A: I’ve just seen the X-rays and your teeth look just fine。 　　B: I see.  Then there is nothing to worry about after all。

　　11、 allergic to 对|……过敏

　　Oh man! Something in this room is making my eyes itch. I must be allergicto  something。

　　12、 at sb’s service 愿为某人服务

　　I am at your service at any time。

　　13、 around the clock 24小时不停

　　Martha studied around the clock for management exam。

　　14、 as far as I know 就我所知

　　15、at home with 对…。.很熟悉

　　She is at home with problems like this。

　　16、 back out

　　1) 退出

　　A: Wasn’t Bert supposed to sing tonight? 　　B: Yes、 but he backed out at  last minute

　　2)不履行

　　She finally backed out of her promise。

　　17、 be cut out for 天生适合

　　I’m not cut out to be a hero。

　　18、 be absorbed in

　　She has been absorbed in a horrorfiction. I can’t tear her away。

　　19、 be addicted to 对……上瘾

　　She has been addicted to drugs for years。

　　20、be attached to 对……有感情

　　A: I’m amazed that you are still driving that old car of yours. I thought  you would have gotten rid of it years ago。 　　B: It runs well and I’ve actually  been quite attached to it。