1、a change of pace 改变步调；换口味
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 a 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，即愿意过来帮忙
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
Well, I listened to that CD you lent me a while back.
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 毕竟；终究
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.