名词
中文翻译：精明的人
同义词：
['sharp', 'sharp-witted', 'shrewd']
例句：
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1. He isa man of great intelligence and insight.
他是一个非常有智慧和洞察力的人。
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2. Sheis known for her sharpwit and quick thinking.
她以她的机智和快速思考而闻名。
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3. The manager was described as a shrewd businessman who always knew whathe was doing.
经理被描述为一个精明的商人，他总是知道他在做什么。