鐵則 [铁则]

Jyutping tit3 zak1
Pinyin tiě zé

Definitions (粵典–words.hk)
  1. 名詞
    堅定​、​確定​不移​、​不可​更改​約束
    iron discipline
Definitions (Wiktionary)
  1. noun
    iron law; principle set in stone
Examples (粵典–words.hk)
  1. Cantonese
    铁则
    鐵則
    tit3 zak1
    • fixed rule
    • hard rule