名词
中文翻译：聪明的
同义词：
['smart', 'sharp', 'cunning', 'sagacious', 'shrewd']
例句：
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1. She is smarty enough to solve the problem on her own.
她足够聪明，能够自己解决问题。
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2. He's a sharp guy who always knows what he wants.
他是个精明的家伙，总是知道自己想要的是什么。
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3. The old man was shrewd in his dealings with the business partners.
这位老人在与商业伙伴的交易中非常精明。