able to understand somebody/something quickly and accurately; showing this 敏锐的;有洞察力的;精辟的 a perspicacious remark 入木三分的评论 He was perspicacious enough to realize that things were soon going to change. 他足够敏锐,意识到事情很快就会改变。
Word Originearly 17th cent.: from Latin perspicax, perspicac- ‘seeing clearly’ + -acious.