动词短语
中文翻译：保持纪律
同义词：
['maintain discipline', 'uphold discipline']
例句：
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1.He is determined to keep his team under discipline.
他决心要让他的队伍保持纪律。
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2.The teacher kept the class under discipline during the test.
老师在考试期间让全班保持纪律。
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3.The coach emphasized the importance of keeping under discipline in training.
教练强调了训练中保持纪律的重要性。