輸打贏要 [输－赢－]

Jyutping syu1 daa2 jeng4 jiu3
Pinyin shū dǎ yíng yào

Definitions (粵典–words.hk)
  1. 動詞
    唔​認輸​，​輸​咗​就​話​唔​算數
    to be a bad sport; to refuse to accept a negative outcome
Definitions (Wiktionary)
  1. phrase, Cantonese, idiomatic
    to refuse to accept the outcome after losing