They are pushed hard to study for good grades.

他们被督促努力学习以取得好成绩。

youdao

It is hardly surprising that something called dark energy is hard to study. It is important, though.

一种叫暗能的东西很难研究，这并不足为奇，尽管它很重要。

youdao

And that's the other problem with narcissism: it's hard to study because almost no one admits to having it.

自恋的另一个问题是：很难习得，因为几乎没有人承认自己自恋。

youdao

He said they believed that to study hard and perform well in school was "acting white."

VOA: special.2009.11.01

Many parents push their children very hard to study these days.

现在很多父母都强迫自己的孩子努力学习。

学习靠自觉 - SpeakingMax英语口语达人

But also to teach him discipline and to work hard and to study hard

但还要教会他纪律、努力工作和好好学习，

要成为好爸爸 - SpeakingMax英语口语达人

The atmosphere in some schools is so hostile that girls find it hard to study.

ECONOMIST: South Africa: Wolves in teachers’ hats | The

TV-stations, and the most distant hydrogen clouds, lies a universe full of objects and phenomena that it has been hard or impossible to study until now.

ECONOMIST: Radio telescopes

We work and we hustle, you study hard to get your degree -- because you believe in success and individual initiative.

WHITEHOUSE: President Obama Speaks on Student Loan Interest Rates in Colorado | The White House