名词
中文翻译：Unknown
同义词：
['strict', 'severe', 'strict', 'stern', 'severe', 'strict', 'stern']
例句：
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1. She is a strict teacher who demands perfection from her students.
她是一位要求完美的严格教师。
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2. The manager was stern with everyone who failed to meet the deadline.
经理对未能按时完成任务的人非常严厉。
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3. He had a stern look on his face, as if he were about to make a serious announcement.
他脸上的表情很严肃，好像要宣布一个重要消息。