前功盡廢 (cin4 gung1 zeon6 fai3) — have all that has been achieved spoiled; all efforts gone to waste | also 前功盡棄 in Mandarin in Cantonese
cinˎ₄前gungˉ¹功zeonˍ₆盡fai˗₃廢简 前功尽废
Mandarin Pinyin: qian2 gong1 jin4 fei4
Meaning of 前功盡廢
nounhave all that has been achieved spoiled; all efforts gone to waste | also 前功盡棄 in Mandarin