The pain of a lost kingdom — just like a river of spring water flowing east, endless.
Tips
history
Closing line of 《虞美人》 by 李煜 (Li Yu, last ruler of Southern Tang). Full couplet: '问君能有几多愁?恰似一江春水向东流。' Written as captive of the Song — reportedly the line that got him poisoned by Song Taizong.
culture
Covered in 邓丽君 Teresa Teng's song 《几多愁》 (1983), which brought the whole ci 词 into modern pop consciousness.