合作的英文：
cooperate
collaborate
work together
cooperation

参考例句：

Doctrine of collaboration between labour and capital
劳资合作论

encourage and reward for team work
鼓励并奖励团队合作

They should confidently accelerate their cooperation with us.
胆子放大一些，合作的步子更快一些。

The two states made a compact to co-operate against terrorism.
两国签订了反恐怖主义合作协议。

the first experiment was a real turkey; the meeting was a dud as far as new business was concerned.
不睦导致了合作的完全失败。。

He constructed a theory in collaboration with his colleagues.
他与同事合作创立了一种学说。

Mutually beneficial cooperation and common prosperity constitutes the economic guarantee for world peace.
互利合作、共同繁荣,是维护和平的经济保障。

The secret of winning in rugby is teamwork.
打赢橄榄球的秘诀在于团队合作。

Internal strife defeats the purpose of teamwork.
内部争斗挫伤了团队合作的目的。

Her unwillingness to cooperate put me in a quandary.
她不愿合作，这使我陷入困境。

cooperate是什么意思：
v. 合作，协作；配合，协助

Agricultural Products Export Cooperation
农产品出口合作社

Edward will to cooperate with us.
爱德华下决心与我们合作。

There is a tendency towards regional cooperation.
有一种地区性合作的趋势。

collaborate是什么意思：
v. 合作；勾结

Have a collaborator stand at the exit.
让一位合作者站在出口处。

They worked either in collaboration or independently.
他们要么协作要么独立工作。

Then the long collaboration fell apart.
长期的合作就这样破裂。

work是什么意思：
n. 工作；职业；工厂；工作地点；产品；功；操作；作品；工程
v.（使）工作；操作；运作；起作用；使缓慢前进；经营

the works of a clock
钟的活动部件

conscientious work
本着良心做的工作

The work is not advancing.
工作没有进展。