动词
中文翻译：努力工作
同义词：
['hard-working', 'diligent', 'strenuous']
例句：
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1. He is a hard-working person who always puts in extra effort to achieve his goals.
他是一个勤奋的人，总是努力实现他的目标。
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2. She is a diligent student who never gives up and always works hard to excel in herstudies.
她是一个勤奋的学生，从不放弃，总是努力在她的学习中取得卓越成就。
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3. The strenuous workload required by the project demanded that all team members put in their best efforts.
这个项目繁重的工作要求所有团队成员都尽他们最大的努力。