[no obj.]act jointly;work towards the same end 合作 the leaders promised to cooperate in ending the civil war. 领导们承诺联合起来结束内战。 staff need to cooperate with each other. 员工需要互相协作。 ■assist someone or comply with their requests 协作;合作;配合 his captor threatened to kill him if he didn't cooperate. 俘虏他的人威胁说他要是不配合就杀了他。
派生 cooperant noun cooperator noun 语源
late 16th cent.: from ecclesiastical Latin cooperat- 'worked together', from the verb cooperari, from co- 'together' + operari 'to work'