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Jyutping jau5 lan2
Pinyin yǒu niǎn

Definitions (粵典–words.hk)
  1. 動詞、粗俗
    反話​,​指​ ​冇
    a sarcastic way to emphasize the lack of something
    • 你同佢講咁多嘢有撚用咩!
      你同佢讲咁多嘢有撚用咩!
      It's bloody futile to talk to him!
    • 啱啱畢業,有撚錢咩。
      啱啱毕业,有撚钱咩。
      Having just graduated, how would I have any money.
    • 告我?你有撚證據呀?
      告我?你有撚证据呀?
      You want to sue me? Where's your fucking evidence?
Examples (粵典–words.hk)
  1. Cantonese
    有撚用。
    有撚用。
    jau5 lan2 jung6.
    • This is fucking useless.
  2. Cantonese
    你同佢讲咁多嘢有撚用咩!
    你同佢講咁多嘢有撚用咩!
    • It's bloody futile to talk to him!
  3. Cantonese
    啱啱毕业,有撚钱咩。
    啱啱畢業,有撚錢咩。
    • Having just graduated, how would I have any money.
  4. Cantonese
    告我?你有撚证据呀?
    告我?你有撚證據呀?
    • You want to sue me? Where's your fucking evidence?
Examples (Wiktionary)
  1. Cantonese
    你有撚用!
    你有撚用!
    nei5 jau5 lan2 jung6!
    • You are of fuck all use!