拼音：sān rì bù tán，shǒu shēng jīng jí
注音：ㄙㄢㄖˋㄅㄨˋㄕㄥㄐㄧㄥㄐㄧˊ
解释：三天不弹琴，手就象长了荆棘那样不灵活。比喻一停止练习，技艺就会生疏。
出处：清·曹雪芹《红楼梦》第八十六回：“这果真是三日不弹，手生荆棘。”
If you don't play the piano for three days, your hands are as inflexible as thorns. Metaphor: as soon as you stop practicing, your skills will be rusty.
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