动词短语
中文翻译：轻率地行动
同义词：
['recklessly act', 'rashly act']
例句：
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1. He made a decision without considering the consequences, which was a sign of recklessness.
他做了一个决定，没有考虑后果，这是鲁莽的表现。
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2. She decided to take a risk by investing in a new business venture.
她决定冒险投资一个新的商业项目。
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3. The company's decision to invest heavily in research and development was viewed as a sign of recklessness.
公司决定大力投资研发，这被视为鲁莽的行为。