知人善用

see 知人善任[zhi1 ren2 shan4 ren4]

person; people / CL:個|个[ge4],位[wei4]

to use / to employ / to have to / to eat or drink / expense or outlay / usefulness / hence / therefore

to know / to be aware

good (virtuous) / benevolent / well-disposed / good at sth / to improve or perfect

to be good at using (sth) / to put (sth) to good use