[狼狈为奸 / 狼狽為奸, láng bèi wéi jiān, ㄌㄤˊ ㄅㄟˋ ㄨㄟˊ ㄐㄧㄢ]villains collude together (成语 saw); to work hand in glove with sb (to nefarious ends)#56887[Add to Longdo]
[おなじあなのムジナ(同じ穴のムジナ);おなじあなのむじな(同じ穴の狢), onajianano mujina ( onaji ana no mujina ); onajiananomujina ( onaji ana no kaku )](exp) (villains) of the same stripe (lit[Add to Longdo]