1. In league with：和……联合，与……勾结，密谋，与……沆瀣一气

例：

How could you be league with the mean man like him？

你怎么能和他这样的小人沆瀣一气？

People are in league with one another, but not in conflict.

人们总是与他人联系着，并不是相互矛盾。

If you are in league with the stones of the field, the beasts in the field will be at peace with you.

如果你与田间的石头交好，那么田里的野兽也必与你交好。

Little people often were in league with other.

小人们总喜欢沆瀣一气。

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2. In collaboration with：与 ……勾结；与……合作

例：

China is developing in collaboration with the west.

中国正在与西方的合作中发展。

Greatest grade is the result of that the departments of collaboration with one another.

最优异的成果是各部门合作的结果。

In collaboration with the related organization, the plan worked well.

在与有关部门的合作之下，计划运行的很好。

3. In collusion with：串通，与……勾结

例：

The media can’t imagine the officials are in collusion with the criminals in this event.

媒体没有想到的是，这个事件中，官员们与罪犯相互勾结。

It is obvious that she was in collusion with the defendant.

很明显，她和被告人共谋此事。

Public suffered a lot when the officials and the businesses are in collusion with each other to control the market.

一旦官商联合控制市场，受苦的就是大众人民。

The real villain was you, in collusion with him in murdering the poor guy.

你才是真正的罪魁祸首，和他串通一气杀死了那个可怜的家伙。

4. Complicit：有同谋关系的，串通一气

例：

The key is that the official is honest, or complicit with the man.

问题的关键就是这个官员是刚正不阿，还是与他串通一气。

Her friends, her colleagues are complicit in such huge lie.

她的朋友和同事，都是这个弥天大谎的同谋。

Nobody but Tom knew that he is complicit in this terrorist attack.

除了Tom，没有人知道是这次恐怖袭击事件的共谋者。

Complicit crime was considered as the divide of responsibility, but in fact, it’s not.

共同作案被认为是责任平分，但实际上却不是。