名词
中文翻译：Unknown
同义词：
['fail', 'underperform', 'fall short of expectations']
例句：
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1. She underachieved in her final exams because she was distracted by her phone.
她在期末考试中表现不佳，因为她分心玩手机。
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2. The team underachieved in the championship match due to a lack of practice.
由于缺乏练习，该队在锦标赛中表现不佳。
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3. He underachieved his goals for the year due to unexpected challenges.
他因意外挑战而未能实现年度目标。