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.