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Jyutping jau5 fan1 cyun3
Pinyin yǒu fēn cun

Definitions (粵典–words.hk)
  1. 形容詞
    理性​、​唔​會​衝動​行事​,​對​事情​有足夠​掌握
    to be rational, reasonable, calm; to be able to access and handle the situation
    • 大家唔需要擔心,呢件事我有分寸架喇。
      大家唔需要担心,呢件事我有分寸架喇。
      Don't worry, I can handle the situation.
  2. 反義詞
    冇分寸

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Jyutping jau5 fan1 cyun3
Pinyin yǒu fēn1cun

Definitions (CC-CANTO)
  1. to have a sense of propriety; to have a sense of knowing what is appropriate or what is the acceptable limits / boundaries [colloquial]
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    我自有分寸。
    我自有分寸。
    wǒ zì yǒu fēn cun 。
    • I know what I'm doing.
Examples (粵典–words.hk)
  1. Cantonese
    大家唔需要担心,呢件事我有分寸架喇。
    大家唔需要擔心,呢件事我有分寸架喇。
    • Don't worry, I can handle the situation.