ㄒㄩㄝˊxuéˊérㄧㄡyōuㄗㄜˊˋshì

  1. 學習有成有餘可以從政論語·子張》:子夏學而優則仕。』」·邢昺·正義勸學優閒有餘先王優長仕進君臣。』」學優而仕」。

one who is successful in one's studies, can become an official (idiom)​