名词
中文翻译：辛苦
同义词：
['laborious', 'hard work']
例句：
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1. He worked tirelessly to save the village from disaster.
他不懈努力拯救村庄免于灾难。
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2. The farmer has been working hard all year to prepare for the harvest.
农民全年辛勤工作准备收割。
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3. The scientist spent many nights in the lab, working diligently on his research.
科学家在实验室里辛勤工作，勤奋地研究他的项目。