1.a change of pace 节奏变换
　　You can’t do these chemistry experiments 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 绝对不
　　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 allergic to 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 horror fiction. 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.