曾经爱德死去活来如今恨德痛彻心扉
[céng jīng ài dé sĭ qù huó lái rú jīn hèn dé tòng chè xīn fēi]
Literally translating to 'once I loved someone deeply enough to die many times, now I hate them so much that my heart is torn apart by pain.' This nickname signifies an intensely experienced love-hate relationship, suggesting deep emotional turbulence and eventual transformation from love into intense hatred over time.