collaborate
verb [ I ] uk/kəˈlæb.ə.reɪt/ us/kəˈlæb.ə.reɪt/
(WORK WITH)
C1 合作；协作
to work with someone else for a special purpose
Two writers collaborated on the script for the film. 两位作家合写了这部电影的剧本。
A German company collaborated with a Swiss firm to develop the product. 一家德国公司与一家瑞士小公司合作开发该产品。
The British and Italian police collaborated in catching the terrorists. 英国警方和意大利警方通力合作，抓住了恐怖分子。
(SUPPORT AN ENEMY)
disapproving勾结;通敌，叛国
to work with an enemy who has taken control of your own country
Anyone who was suspected of collaborating with the occupying forces was arrested. 任何涉嫌与占领军勾结的人都被逮捕了。