名词
中文翻译：警告
同义词：
['alert', 'caution', 'forewarn']
例句：
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1.The driver gave a warning to the pedestrians crossing the road.
司机对过马路的行人发出了警告。
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2. The company issued a warning about the potential risks of the new product.
公司发布了关于新产品潜在风险的警告。
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3.He gave a warning to his students not to cheat on their exams.
他对学生发出警告，不要在考试中作弊。