ㄅㄛˊˊérㄅㄨˋㄐㄧㄥjīng

  1. 學識博而不精後漢書··馬融》:左氏春秋賈逵鄭眾博而不精!』」

extensive but not refined (idiom)​; to know something about everything, jack-of-all-trades, master of none