astute

形容词 astute:

1. marked by practical hardheaded intelligence
   同义词：sharp, shrewd

1. He is a very astute merchant, and can not accept to be the first offers a price.
   他是个非常精明的商人，不可能接受第一个出价。
2. He is astute in business.
   他做生意精明。
3. It is an astute move to sell just before price goes down.
   正好在价格下跌前脱手，真是精明之举。

as.tute

adj.（形容词）
Having or showing shrewdness and discernment, especially with respect to one`s own concerns.See Synonyms at shrewd
敏锐的，精明的：有或显示出精明和敏锐的理解力或判断力，尤指对与其相关的方面参见 shrewd

来源：
Latin astôtus
拉丁语 astôtus
from astus [craft] * see wes-
源自 astus [技艺] *参见 wes-

【引伸】
astute.ly
adv.（副词）
astute.ness
n.（名词）