願賭服輸 [愿赌－输]

Jyutping jyun6 dou2 fuk6 syu1
Pinyin yuàn dǔ fú shū

Definitions (CC-CEDICT)
  1. lit. if you agree to bet you must accept to lose
  2. fig. you bet, you pay
Definitions (粵典–words.hk)
  1. 語句
    既然​做​得​某件事​，​就算​有​唔​好​嘅​後​果​都​唔​可以​後​悔
    what's done is done, accept the consequences and move on
Definitions (Wiktionary)
  1. phrase, idiomatic
    If one participates a gamble willingly, one has to bear all the consequence of losing.