Some absorb themselves in the library all day long.

许多学生在图书馆刻苦学习。

You got gym, dedication and hard work.

有健身房，毅力与刻苦。

I had to work very hard to satisfy him.

我必须非常刻苦才能使他满意。

Because they were motivated, they worked hard.

因为他们有了动力，所以非常刻苦。

He also trained harder than anyone else.

他训练得比其他人都刻苦。

It takes hard work and sacrifice.

刻苦训练 作出大量牺才能当上的。

He studies very hard, and he wants to work in a university.

他学习非常刻苦，他想在大学工作。

I love this game and practice hard every time.

我喜欢这项运动，每次训练都很刻苦。

Is it waiting for the right moment or training hard for a competition?

是等待时机成熟还是为了比赛刻苦训练？

She sometimes came home at weekends, but she had to study hard.

有时她周末回去，但她必须刻苦学习。

Despite all his practice, some days he played well and others badly.

虽然他刻苦训练，但表现仍起起落落。

He started dancing as a boy and worked hard at it daily.

他幼时开始跳舞，并且每天练习得非常刻苦。

It doesn't matter how hard I train, I'm never actually going to get there.

即便我再刻苦训练， 也永远达不到光速。

After devoting years to intense study and practice, the duo formed tabla for two.

经过多的刻苦学习和实践，两人组成了双人手鼓。

Her school reports show hard work and commitment, but not brilliance.

然而她的中学成绩单显示她虽刻苦努力，但并非出类拔萃。

'I've seen how hard you can work, Jane.

“简，我看到了你工作起来有多么刻苦。

Well, you need to train very hard. And you have to believe in yourself.

嗯，你要非常刻苦的训练。并且你还要相信自己。

Think of an athlete running an extra mile to train harder.

想像一下，一名运动员为了刻苦训练多跑一英里。

Staying in South Korea, students work hard to make the country a top performer in education.

学生们刻苦读书，立志使韩国成为教育强国。

Then, when they had clapped and clapped their hands, they all began to study very hard.

随后他们拍了拍手，开始投入到刻苦学习中。