double-cross

剑桥词典

to deceive someone by working only for your own advantage in the (usually illegal ) activities you have planned together
欺騙（幫兇），矇騙（同夥）
The diamond thief double-crossed his partners and gave them only worthless fake jewels . 鑽石大盜欺騙了同夥，給了他們一錢不值的假珠寶。 返回 double-cross