形容词
中文翻译：严肃的
同义词：
['serious', 'grave', 'earnest', 'solemn例句：1. The teacher gavea serious lecture on the importance of discipline.（老师严肃地讲解了纪律的重要性。）']
例句：
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1. The teacher gavea serious lecture on the importance of discipline.
老师严肃地讲解了纪律的重要性。
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2. He wasseriously injured in the accident.
他在事故中严重受伤。
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3. She is seriously considering her career options.
她正在认真考虑她的职业生涯选择。