动词短语
中文翻译：关于
同义词：
['be cautious of', 'be wary of']
例句：
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1. When driving in heavy traffic, it's always a good idea to caution about speed limits.
在交通繁忙时，提醒自己遵守速度限制是个好主意。
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2. The doctor cautioned me about the risks involved in surgery.
医生告诫我手术的风险。
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3. It is important to caution about the dangers of over-consumption of alcohol.
重要的是要警惕过度饮酒的危险。