狼ㄌㄤˊ狽ㄅㄟˋ為ㄨㄟˊ奸ㄐㄧㄢlángbèi‑wéijiān

简狼狈为奸

  1. 狼與狽相互合作，傷害牲畜。比喻彼此勾結作惡。

英villains collude together (idiom)​; to work hand in glove with sb (to nefarious ends)​
德Mit jemandem gemeinsame Sache machen (S)​