At no charge 免费
Ages ago 很久以前
A trial run 练习，预演。
A saving account 储蓄户头
All tied up 工作很忙
A long way off 差的.很远
Back out 退出，食言
Be cut out for sth. 天生适合于做某事
Count on sb./sth. 指望
Come up with sth 想出。。
Cut down on sth. 减少
Come down with the flu 感染流感
Count for little/much 关系不大/重大
Demanding 要求严格的
Doze off 打瞌睡
End up with 以的方式结束
Feed-back 反馈
For anything 无论如何
Get stuck 被困住
Give sb. a break 饶了某人
Give sb. a hand 帮助，帮忙
Get along with 相处的好
Hold on to sth. 保留/继续使用
Have a tough/hard time doing sth. 做某事有困难
In case of 以防万一
Keep an eye on sth. 留心某事
Know the ropes 熟悉
Know-how 技能，诀窍
Let sb. go 开除/解雇某人
Meet each other half way 相互妥协
