Daily Chinese Idiom Guessing Game
To constantly improve one's skills or work; to strive for perfection.
精完美，好；益更加∶了还求更好。
《论语·学而》《诗》云‘如切如磋，如琢如磨。’其斯之谓与？”宋·朱熹注言治骨角者，既切之而复磋之；治玉石者，既琢之而复磨之，治之已精，而益求其精也。”
She always practices the piano piece repeatedly to achieve perfection, embodying the spirit of 精益求精.