名词努力的英文怎么说呢

名词努力的英语是 "effort"。这个词来自拉丁文 "ex-fortis"，意思是 "out of strength" 或 "out of power"，即在体力或力量的限制下进行的努力。

下面是一些例句：

It took a lot of effort to finish the project on time. (完成这个项目需要很多努力。)
She put in a great effort to learn the new software. (她付出了很大的努力来学习这个新软件。)
His efforts to improve the company's profits were admirable. (他为提高公司利润而付出的努力值得赞赏。)