**形容词 (adj.)**:精明的,敏锐的,有洞察力的。形容一个人在判断和决策方面非常聪明、机敏,尤其擅长看透事物本质或在商业、社交中做出明智的选择。
/ʃruːd/
She is a shrewd businesswoman who always makes the right decisions.
她是一位精明的女商人,总是做出正确的决定。
His shrewd observation of human nature allowed him to predict how people would react long before the situation unfolded.
他对人性的敏锐观察使他能在事态发展之前就预测到人们的反应。
shrewd 源自中古英语 shrewed,原义为"邪恶的、恶毒的",与 shrew(泼妇;鼩鼱)有关。在中世纪英语中,这个词带有强烈的贬义,意为"狡猾的、心怀恶意的"。随着时间推移,词义逐渐转向中性乃至褒义,演变为"精明的、有判断力的",强调一种敏锐的洞察力和实际智慧。