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.