转身的背影在心里沉沦
[zhuăn shēn de bèi yĭng zài xīn lĭ chén lún]
Translating into 'The departing back figure sinks deep into my heart', which poetically conveys strong emotional feelings, especially sadness, longing, or nostalgia associated with someone leaving. The lingering effect of a loved one's departure leaves a profound imprint on one's psyche.