他学习很刻苦
He studies very hard
以上为机器翻译结果，长、整句建议使用 人工翻译 。
为了上大学，他学习很刻苦。
To go to university, he studies very hard.
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他学习很刻苦。他想通过考试。
He works hard. He wants to pass his exams.
被他翻的破烂的书表明他学习很刻苦。
His dogeared book is indicative of his diligent study.
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