She studies hard for the test on Sunday.

她为了周日的考试努力学习。

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Every student studies hard and works hard.

每个学生都在努力地学习，努力地工作。

youdao

Tom studies hard.

汤姆学习用功。

youdao

Yang Moo-jin, a scholar with the University of North Korean Studies in Seoul, says the North is "playing hard ball".

VOA: standard.2010.05.27

When, you know, studies is like getting really hard because it's like midterm time or final time.

每当期中或期末考试来临，功课很难的时候，

想吃中餐的时候 - SpeakingMax英语口语达人

Where the student who studies hard can afford to go to school and train for the jobs that businesses need to fill.

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She visits the Brain Science Lab at Indiana University, which studies the hard- swimming members of the US Masters: men and women who swim 3, 500-5, 000 metres three to five times a week, sometimes for decades on end.

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Part of the problem here is that without a recognized diagnosis, it is hard for sex researchers to do studies, and without studies, it is hard to argue for a new diagnosis.

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