努力这个词在英文中有很多不同的词汇和短语能够对应有以下几种：
make great efforts; try hard; strive；endeavor
1.strive
例句:He strives hard to keep himself very fit
他努力地保持身体健康。
We should exert ourselves in the struggle for the modernization of science and technology.
我们应为实现科学技术现代化而努力。
2.make great efforts
例句：
Because we are professional, we are worth trusting; because we make great efforts, we do better.
因为我们专业，我们值的信赖；因为我们努力，我们做的更好。
3.try hard
例句：
Some try hard to learn these skills, and succeed.
一些人努力学习这些技能并获得了成功。
4.endeavor
例句：
There is no more important partner for India in this endeavor than the United States.
对印度来说，在这一努力中没有比美国更为重要的伙伴了。
