Jīngguò / fǎnfù / liànxí / tā / duì / zhè / shǒu / qǔzi / de / zhǐfǎ / yǐjīng / gǔn / guā / làn / shú

经过反复练习，她对这首曲子的指法已经滚瓜烂熟。

After repeated practice, she knows the fingering for this piece inside out.