n.合作；通敌
Then the long collaboration fell apart. 长期的兄弟合作就这样破裂。
He wrote the book in collaboration with his colleagues. 他与同事合作写了这本书。
It was a collaboration that produced extremely useful results. 这是一次富有成果的合作。
He was shot for collaboration with the enemy. 他因通敌而被枪毙了。
n.通敌；卖国
n.协助者；通敌卖国者
