have/make common cause (with/against somebody)formalUNITE to join with other people or groups in order to oppose an enemy (和某人)携手合作;(和某人)协力对敌 U.S. officials expect other Western governments to make common cause with them over the arrests. 美国官员希望其他西方国家的政府能和他们联手捉拿罪犯。
→ have/make common cause (with/against somebody) at cause2(1)