名词
中文翻译：Unknown
同义词：
['indifference', 'careless', 'casual', 'unconcerned', 'disinterested']
例句：
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1. He's always unctuosity about his work, never showing any interest in it.
他对工作总是漫不经心，从不关心。
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2.The artist was so unctuosity that he didn't even bother to finish the painting.
那位艺术家太漫不经心了，甚至没有完成这幅画。
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3.She was very unctuosity, not caring about the consequences of her actions.
她非常漫不经心，对行为的后果漠不关心。