He worked very hard with other scientists on it for many years.

他与其他科学家一起为此努力工作了许多年。

youdao

He worked very hard so that by the time the sun was high, he was hot, and wished for a cool place where he might rest for a while and eat his dinner.

他非常努力地工作，所以当太阳高照的时候，他热极了，希望有一个凉爽的地方，他可以休息一会儿，吃他的晚餐。

youdao

He worked very hard and won the honor.

她努力工作赢得了这项荣誉。

youdao

He worked very hard to get the support of Whig leaders.

VOA: special.2009.03.05

He wanted to show how three very different artists worked hard to become experts in their art.

VOA: special.2009.08.07

He worked very hard and accomplished a lot during the day, but he was on the receiving end of some additional scrutiny for not making his career his life.

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He worked very hard with the Speaker of the House to achieve a grand bargain that would have required tough choices from both Democrats and Republicans, but would have achieved a significant goal of long-term debt control.

WHITEHOUSE: Press Briefing

And he has worked very hard to try to find common ground with members of the other party in Congress.

WHITEHOUSE: Press Briefing