Play while you play, and work hard while you work.

玩的时候就尽情地玩，工作的时候就努力工作。

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In order to achieve our Chinese Dream, we must study and work hard.

为了实现中国梦，我们必须努力学习和工作。

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There's nothing you can't do if you stay in school and work hard.

如果你继续上学，努力学习，就没有什么是你做不到的。

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"I think they have to have an example like some stars like Landon Donovan on the US national team of the World Cup so they can see what an example is and what they could be like when they grow up and work hard at football."

VOA: standard.2010.06.15

But Roger Bannister continued to train and work hard, not harder than the rest of the runners, but as hard as the top runners in the world.

但Roger，Bannister坚持苦练，不比别的跑手练得更苦，但和世上别的跑手一样苦练。

哈佛公开课 - 幸福课课程节选

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。

高尔夫俱乐部的回忆 - SpeakingMax英语口语达人

Most Americans believe that if you play fair and work hard, you'll get ahead.

NPR: Keep the Net Fair and Free

Other members introduce a choice few and work hard to get them through the system.

CNN: Commentary: I'm just a bill on Capitol Hill

Kids are going to come here, get a meaningful degree and work hard to achieve that degree.

FORBES: The Secrets Behind Stanford's Emergence as a Football Powerhouse