形容词
中文翻译：头脑发热的
同义词：
['headstrong', 'impetuous', 'rash']
例句：
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1.She was so hairbrained that shedidn't think about the consequences beforemaking a decision.
她太轻率了，在做决定之前没有考虑后果。
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2. Theyoung man was very hairbrained andmade a lot of mistakes.
那个年轻人非常鲁莽，犯了很多错误。
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3. He wasconsidered to be quite hairbrained byhis colleagues.
他的同事们认为他很鲁莽。