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. account for 解释

　　How do you account for it？

　　6. 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.

　　7. allergic to 对……过敏

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

　　8. at home with 对…..很熟悉

　　She is at home with problems like this.

　　9. be cut out for 天生适合

　　I’m not cut out to be a hero.

　　10. call it a day 就此结束

　　A： I’m really glad our club decides to raise money for the children’s hospital， and most of the people we’ve phoned seemed happy to contribute.

　　B： Yeah， I agree. Now we’ve gone through all the numbers on our list now， so I guess we can call it a day.