形容词
中文翻译：无思考的
同义词：
['unthinking', 'indifferent', 'uncaring例句：1. He was thoughtless to not inform me of his plans.（他太粗心了，没有告诉我他的计划。）2. Sheis thoughtless towards her friendsand family.（她对朋友和家人很冷漠。）']
例句：
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1. He was thoughtless to not inform me of his plans.
他太粗心了，没有告诉我他的计划。
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2. Sheis thoughtless towards her friendsand family.
她对朋友和家人很冷漠。
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3. The leader's thoughtlessness costthe company thousands of dollars.
领导者的疏忽给公司造成了数千美元的损失。