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.