collaborate

1. V-RECIP When one person or group collaborates with another, they work together, especially on a book or on some research. (尤指著书或进行研究时的) 合作

Much later he collaborated with his son Michael on the English translation of a text on food production. 后来他和儿子迈克尔合作，把一个有关食品生产的文本翻译成英语。

He turned his country house into a place where professionals and amateurs collaborated in the making of music. 他把他的乡间小屋变成了业内外人士合作制作音乐的场所。

2. V-I If someone collaborates with an enemy that is occupying their country during a war, they help them. 通敌[表不满]

He was accused of having collaborated with the Communist secret police. 他被指控与纳粹党的秘密警察合作。