in cahoots
与他人串通一气
口语·常指共谋坏事
英文释义
to be in collusion or partnership with someone, usually for nefarious purposes
例句
The two companies were in cahoots to fix prices and cheat customers.
典故来源
源自19世纪美国，'cahoots'可能来自法语'cahute'（小屋），比喻秘密勾结。