識條鐵 [识条铁]

Jyutping sik1 tiu4 tit3
Pinyin shí tiáo tiě

Definitions (粵典–words.hk)
  1. 語句
    完全​唔​識​一樣​嘢​，​通常​有​反​諷​嘅​意思
    to know nothing about a certain subject matter, often used in an ironic sense
    • 法律呢啲嘢我呢個執業律師識條鐵咩。
      法律呢啲嘢我呢个执业律师识条铁咩。
      faat3 leot6 ni1 di1 je5 ngo5 ni1 go3 zap1 jip6 faat3 si1 sik1 tiu4 tit3 me1
      As a practising lawyer, I know nothing about the law.
Examples (Tatoeba—Cantonese-English)
  1. Cantonese
    音乐嘅嘢我真系识条铁。
    音樂嘅嘢我真係識條鐵。
    jam1 ngok6 ge3 je5 ngo5 zan1 hai6 sik1 tiu5 tit3 。
    • I know nothing about music.
Examples (粵典–words.hk)
  1. Cantonese
    艺术我识条铁咩？
    藝術我識條鐵咩？
    ngai6 seot6 ngo5 sik1 tiu4 tit3 me1?
    • I don't know jack about art.
  2. Cantonese
    法律呢啲嘢我呢个执业律师识条铁咩。
    法律呢啲嘢我呢個執業律師識條鐵咩。
    faat3 leot6 ni1 di1 je5 ngo5 ni1 go3 zap1 jip6 faat3 si1 sik1 tiu4 tit3 me1
    • As a practising lawyer, I know nothing about the law.
  3. Cantonese
    咪玩啦，艺术我识条铁！
    咪玩啦，藝術我識條鐵！
    mai5 waan2 laa1, ngai6 seot6 ngo5 sik1 tiu4 tit3!
    • Give me a break, I know nothing about art!
Examples (Wiktionary)
  1. Cantonese
    你识条铁咩？
    你識條鐵咩？
    nei5 sik1 tiu4 tit3 me1?
    • What the heck do you know?