ADJ-GRADED
				精明的;敏锐的;有眼光的;精于盘算的
				A shrewd person is able to understand and judge a situation quickly and to use this understanding to their own advantage.
例句
						She's a shrewd businesswoman...
						她是个精明的女商人。
						His grey eyes were shrewd but kindly...
						他灰色的眼睛目光锐利却很亲切。