纯变成了蠢爱变成了恨
[chún biàn chéng le chŭn ài biàn chéng le hèn]
'Chun Bian Cheng Le Chun Ai Bian Cheng Le Hen' means 'Purity Turned into Foolishness, Love Turned into Hatred', illustrating an experience where genuine affection becomes sour over time, possibly because initial naivety has been tainted, causing love to transform into hate.