共同努力的英文：
in a common effort

参考例句：

Shared goals, common efforts
共同奋斗,共享辉煌;目标一致,共同努力

Let's coordinate our efforts.
我们共同努力吧。

Owing to our joint efforts the task was fulfilled ahead of schedule.
由于我们的共同努力，任务提前完成了。

To accomplish this task calls for joint unremitting efforts by the international community.
完成这一任务有赖于国际社会坚持不懈的共同努力。

The complete of the project needs joint efforts of many prosecutors.
项目的完成需要众多执行者的共同努力。

Below our joint efforts, the content of Internet and enclothe dimensions to will expand further.
在我们的共同努力下，互联网的内容和覆盖规模将进一步扩大。

At present, China and the United States will continue to work together to set up a constructive strategic partnership.
目前，中美两国将继续一起共同努力建立建设性战略伙伴关系。

Together, we will reclaim America's schools, before ignorance and apathy claim more young lives.
我们要共同努力,健全美国的学校教育,不能让无知和冷漠吞噬更多的年轻生命。

common是什么意思：
adj. 普通的；一般的；通常的；通俗的；公共的，共有的；共同的
n. 普通；平民；公共地

international common
国际公地

Commonness is happiness.
平凡是福。

A common danger causes common action
同仇敌忾

The series uses common components and common interior electronics.
该系列采用普通的元件和内部电子器件。

Common fame is liar
盛名之下,其实难副

effort是什么意思：
n. 努力，尝试；成就；杰作

It was a vain effort.
这种努力是徒劳无益的。

That effort will be bootless.
那种努力将是无益的。

You must not relax your efforts.
你不可以松懈你的努力。

The honor is the repayment for your efforts.
这个荣誉是你努力的结果。

Much effort, much prosperity.
愈努力就愈成功。