往事不堪回首 (wong5 si6 bat1 ham1 wui4 sau2) — find it unbearable to recall events (memories) of the past in Cantonese
wongˏ₅往siˍ₆事batˉ¹不hamˉ¹堪wuiˎ₄回sauˊ²首Mandarin Pinyin: wang3 shi4 bu4 kan1 hui2 shou3
Meaning of 往事不堪回首
nounfind it unbearable to recall events (memories) of the past