C1687
The reason why Yan Qingyi could learn so quickly was because Ye Wangchen had demonstrated it to her twice.
As for Yan Qingyi, she would memorize every single hole that Yan Qingyi had pressed into when he was blowing. After that, when she was blowing, Ye Wangchen had taught her how to breathe again, and that was how she would learn so quickly.
Otherwise, how could a rookie like her