空人空心空世界旧人旧事旧心酸
[kōng rén kōng xīn kōng shì jiè jiù rén jiù shì jiù xīn suān]
'An Empty Person, Empty Heart, Empty World; Old People, Old Events, and Past Sorrows' depicts deep loneliness intertwined with old reminiscences, possibly painful ones, signifying heartache from lost memories or relationships.