串通 [- tōnɡ](暗中勾结， 使彼此语言行动互相配合) gang up; collaborate; collude with; be in collusion with; work hand in glove with; conspire with sb. for illegal acts; conspire with:
•¶ 被告和原告串通。 The defendant colluded with the plaintiff.
•¶ 警察和罪犯串通是常有的事情。 Collusion of the police with the criminal is not uncommon.