懂中文 Dong Chinese

狼狈为奸

láng​bèi​wéi​jiān

villains collude together ; to work hand in glove with sb

Definitions

狼狈为奸 (狼狽為奸) 

láng​bèi​wéi​jiān

villains collude together (idiom); to work hand in glove with sb (to nefarious ends)

Sources