名词
中文翻译：失败
同义词：
['failure', 'defeat', 'mishap', 'mistake']
例句：
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1.The project failed to meet the deadline.
这个项目没有按时完成。
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2.His efforts were in vain; he failed of his goal.
他的努力白费了，他没能实现目标。
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3. She was disappointed when she failed of her exams.
她考试没通过时感到很失望。