Mr. Thomas was taught by the Catholic nuns whose school he attended to work and study hard.

托马斯先生受教于天主教修女。在修女开办的学校里他专心工作，刻苦学习。

《柯林斯英汉双解大词典》

Law-school debt means that they have to work fearsomely hard.

法学院学生的债务意味着他们不得不非常努力地工作。

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Li Bai suddenly understood the importance of hard work, and he started to work hard at school.

李白突然明白了努力学习的重要性，他开始在学校努力学习。

youdao

Harry pushes Noel to keep fighting, to go to school, to work hard.

FORBES: Taking The Gloves Off

Yes, start a company, go to school, work hard, invest, hire people.

WSJ: John H. Cochrane: America Needs an Alternative

There was a time when if you just got a high school education and you were willing to work hard, you could get a job in a trade or in the factory that paid a middle-class wage.

WHITEHOUSE: President Obama Announces $4 Billion Investment in Education | The White House