介词短语
中文翻译：对
同义词：
['be careless of', 'be negligent of']
例句：
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1.He was reckless of his ownsafety when he decided to go hiking alone.
他决定独自去徒步旅行时，对自己的安全毫不在意。
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2. The company'sdecision to invest in new technology was reckless of the long-term consequences.
公司决定投资新技术，对长期后果毫不在意。
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3. She was reckless ofher words and actions, which led toa series of unfortunate events.
她对自己的言行毫不在意，导致了一连串不幸的事件。