This is a permanent appointment, requiring commitment and hard work.

这是一个固定职位，需要专心致志和勤奋工作。

《牛津词典》

On a summer evening in Beijing in 2008, all those long, hard hours of work and commitment finally bore fruit.

2008年北京的一个夏夜，所有那些漫长、艰苦的工作和承诺终于有了成果。

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Success will demand hard work, perseverance, and a long-term commitment from both sides to build a foundation of engagement and trust that will serve us in the century ahead.

成功需要双方辛勤努力，锲而不舍，履行长期承诺，以建立一个接触和信任的基础，并使之在本世纪的未来岁月中为我们所用。

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This was followed by a hard-won commitment from Labour to PR for such a body, in time for the 1992 General Election.

BBC: Tough times - then success

But the sinking of a South Korean warship and the shelling of an island in 2010, which killed 50 South Koreans, led to a change of strategy and a commitment to hit back hard and fast.

WSJ: U.S. Moves Missile-Defense Ship Near Korea

It is through hard work and a commitment to excellence that these Americans with immigrant and refugee roots made it to the highest levels of athletic competition.

WHITEHOUSE: New American Olympians Inspire U.S. to Remain the Land of Opportunity | The White House