ADJ-GRADED
机敏的;尖锐的;深刻的
You use incisive to describe a person, their thoughts, or their speech when you approve of their ability to think and express their ideas clearly, briefly, and forcefully.
例句
...a shrewd operator with an incisive mind...
头脑机敏、精明能干的经营者
She's incredibly incisive, incredibly intelligent.
她机敏过人,才智超群。