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Jyutping bat1 zit3 bat1 kau3
Pinyin bù zhé bù kòu

Definitions (CC-CEDICT)
  1. a hundred percent
  2. to the letter
  3. out-and-out
Definitions (粵典–words.hk)
  1. 形容詞
    百分百​,​完全​係​,​特質​同​某物​完全一致
    out and out; unquestionably; hundred percent; have exactly the same characteristics as something
    • 一個不折不扣嘅英雄
      一个不折不扣嘅英雄
      an out and out hero
Definitions (Wiktionary)
  1. phrase, idiomatic
    one hundred percent; to the letter
  2. phrase, idiomatic
    unreservedly; fully; thoroughly; out and out; through and through
Examples (粵典–words.hk)
  1. Cantonese
    一个不折不扣嘅英雄
    一個不折不扣嘅英雄
    • an out and out hero