业精于勤

Learn Today's Idiom (成语)

业精于勤

yè jīng yú qín

Mastery of study lies in diligence; You can only master a subject by assiduous study; Practice makes perfect

Traditional:

業精於勤

他知道业精于勤,所以每天都刻苦练习钢琴。

He knows that practice makes perfect, so he diligently practices the piano every day.