狼狈为奸

狼狈为奸

Literally means:

the wolf and the jackal do evil together

Actually means:

act in cahoots; collusion with each other; hand in glove

狈 refers to a legendary beast that has a pair of short front legs, who has to put its front legs on a wolf's body to move. 为奸 means doing evil things.

This phrase figuratively means perpetration in pair. Derogatory.

狈，传说中的一种野兽，前腿很短，必须把前腿搭在狼的身上才能走动。为奸，做坏事。

狼狈为奸，比喻互相勾结，一起做坏事。具有贬义色彩。