世事变迁物事人非
[shì shì biàn qiān wù shì rén fēi]
'Shi Shi Qian Chan Wu Shi Ren Fei' reflects an understanding of the inevitable changes life brings—whether it be in relationships or one’s circumstances, the world moves on and things never stay exactly the same. This can carry connotations of melancholy as past relationships are remembered.