She was working with him她跟他是合作关系

work with与 ... 共事； 与 ... 合作

I work with monotony.

我工作很单调。

It was a privilege to work with him.

和他在一起工作是一项殊荣。

My boy, at this moment, there are things at play that dwarf your penchant for gullibility.此时有人耍些诡计就能让你轻易上当

at play在玩； 正在游戏

He spends less time at work than at play.

他在工作上比在玩上花较少的时间。

You knew about this?你早就知道吗

know about知道； 了解； 听说过有关 ... 的情况

Yes, I do know about the accident.

是的，我的确知道这次事故。

I'd love to know about the plan.

我想知道这个计划。