He succinctly summed up his manifesto as "Work hard, train hard and play hard."

他把自己的宣言简明地概括成了“努力工作，努力训练，努力玩耍。”

《柯林斯英汉双解大词典》

He could work hard and study hard.

他还可以一边努力干活，一边努力学习。

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It's a hard work, so you must work hard.

这是一件艰苦的工作，因此你必须努力去做。

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They stopped laughing when they found he could do the hard work of a cowboy as well as any of them.

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I mean, they have no idea how hard we work, and look at this gigantic split infinitive, to dramatically help.

他们不知道我们有多么努力地工作，注意到这之间的巨大鸿沟，会有很大的帮助。

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And so, just a lot of hard work and a lot of time at the golf course in the summer.

所以，夏天时，一直努力练习，在高尔夫球场花了不少时间。

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And we expect people to earn it -- study hard, work hard for it.

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And with hard work -- with hard work, strong faith, and a little courage, great things are always within our reach.

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It's hard work, really hard work, often requiring tremendous resources (lactation consultants, machines that make you feel like a dairy cow, shields and all sorts of bizarre contraptions) that can take weeks, even months, to get right.

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