不经意间的刻骨柔情不经意间的刺骨铭心
[bù jīng yì jiān de kè gú róu qíng bù jīng yì jiān de cì gú míng xīn]
Means 'Inadvertently deep affection, inadvertently heart-rending memories', suggesting moments when one unintentionally feels intense emotions that touch or hurt them deeply. It reflects an introspective character with profound and complex emotional experiences.