努力的英文：
effort

Hang in there!
继续努力。

Tom is bearing down.
汤姆非常努力。

If at first you don't succeed, try, try again.
初试不成功，努力勿懈怠。

George is always working diligently and enthusiastically.
乔治工作总是努力积极。

Patience and application will carry us through
忍耐和努力会使我们度过难关

John's working on a small slam.
约翰正努力打满小满贯。

Medical workers are trying to search into the root of SARS.
医学界正在努力探索非典的根源。

After months of futile labor, the scientist suddenly had a brainstorm and solved the problem.
"数月努力，徒劳无功，科学家突发奇想，问题迎刃而解。"

It is gratifying to see one's efforts rewarded.
看到自己的努力有所收获是令人高兴的。

All Jeff’s hard work is paying off. He’s a leg up on the rest of his competitors.
杰夫的努力是有报答的。他在竞争对手中占了上风。

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。