1 collaborate (with sb) (on sth) to work together (with sb), especially to create or produce sth 合作: She collaborated with another author on the book. 她跟另一作者合着了这本书。

2 collaborate (with sb) to help the enemy forces who have taken control of your country 跟﹙占领本国的敌入﹚勾结﹔通敌 ☞This word shows disapproval. 这个词含贬意。 ➔collaboration /kəˌlæbəˈreɪʃn ||; kəˌlæbəˈreʃən/ noun [uc] ➔collaborator noun [C]