1) while
Her parents died while she was stil at school.
她还在读书时父母就去世了
2) be happily with
This suggestion did not fit very happily with our existing plans.
这个建议与我们目前的计划不十分契合
3) First of all
First of all, let me ask you something.
首先, 让我问你一件事
4) make sure
Make sure that no one finds out about this.
确保无人发觉这件事
5) be short of 是指没有,或是除非, 同义词有only of, unless等,但找不到lock of
6) prevent …… from (doing)
He is prevented by law from holding a licence.
法律不准他持有牌照
7) suggest doing
I suggested going in my car.
我建议坐我的车去
8) think about
Don't you ever think about other people?
难道你就从来没有考虑过别人?
9) perm and dye
I perm and dye my hair today.
我今天烫和染我的头发
参考资料:Cambridge Dictionary