形容词
中文翻译：Unknown
同义词：
['hardworking', 'diligent', 'diligently']
例句：
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1. She is a diligent studentwho always works hard to achieve her goals.
她是一个勤奋的学生，总是努力实现她的目标。
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2. The diligent worker neverrests until the job is done.
那个勤奋的工人直到工作完成才会休息。
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3.The diligent students are always eagerto learn and improve themselves.
勤奋的学生总是渴望学习并提高自己。