collaborate/kəˋlæbə͵ret; kəˈlæbəreIt/v [I] 1 to work together to produce or achieve something 合作﹐协作: +with She often collaborates with other writers. 她常常与其他作家合作。+on Two companies collaborated on this project. 两家公司在这个项目上合作。2 to help an enemy army or government that controls your country 通敌﹐勾结〔敌人〕: +with It seems that he collaborated with the secret police. 他好像与秘密警察勾结。 —collaborator n [C] —collaboration /kə͵læbəˋreʃən; kəˌlæbəˈreIʃ$n/n [U] —collaborative /kəˋlæbəretIv; kəˈlæb$rətIv/adj