她开始注意那些慢慢变顺的地方，从断断续续，到能连着弹完一段，再到整首曲子只错一两个音。
She noticed the passages gradually smoothing out — from halting, to playing a section through, to missing only one or two notes in a whole piece.
She noticed the passages gradually smoothing out — from halting, to playing a section through, to missing only one or two notes in a whole piece.