短语
中文翻译：日夜
同义词：
['night and day', 'all the time例句：1. He spent his days after night studying for the exams.（他日夜为考试努力学习。）']
例句：
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1. He spent his days after night studying for the exams.
他日夜为考试努力学习。
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2. She worked day after night to finish the project.
她日夜不停地工作以完成这个项目。
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3. We've been day after night trying to solve this problem.
我们日夜不停地试图解决这个问题。