风吹散旧人雨淋湿故人
[fēng chuī sàn jiù rén yŭ lín shī gù rén]
Poetically conveys the imagery of wind scattering old acquaintances, rain soaking through memories - evoking a sense of transient, ephemeral bonds or remembrances. A name for someone feeling nostalgic or bittersweet emotions.