偶尔想念却很心痛
[ŏu ĕr xiăng niàn què hĕn xīn tòng]
Meaning 'occasionally missing, yet in great heartache'. It signifies a mixed emotion where the user would sometimes yearn for someone or certain periods/ events. Despite only thinking about them sporadically, it stirs profound and painful emotions every time, probably reflecting complex personal losses or experiences in relationships or life stages. It shows emotional investment along with lingering sorrows.