He keeps studying hard.

他一直努力学习。

youdao

Hitting the books just means that you are studying hard.

Hitting the books 只是表示你在努力学习。

youdao

By studying hard I catch up with the others of the class.

通过努力学习，我终于赶上班里的其他的同学了。

youdao

He would try to explain it this way when students asked for a top grade just for studying hard in chemistry class: What if a baseball player came to spring training and worked harder than all the others, but still could not play well.

VOA: special.2009.03.12

For sure, they're all hard. Yes, studying, I have to do a lot of studying here.

肯定有过，所有的考试都很难。确实，我需要非常认真的学习。

想学习宗教学 - SpeakingMax英语口语达人

I've been studying really hard, but I just don't get it.

我一直很努力地学习，但总是学不好。

I'm worried 实战 - SpeakingMax英语口语达人

I'm studying hard, you know, like, I want to get the best grades I could.

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Back in Cairo, Nageh's older son, Mohamed, is studying hard to become a banker.

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