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Jyutping aa3 zyu1 aa3 gau2
Pinyin ā zhū ā gǒu

Definitions (粵典–words.hk)
  1. 名詞
    用​嚟​借指​「​是​但​一個​人​」​,​唔​重要​嘅​人
    a phrase used to metaphorically refer to a hypothetical individual, "whoever", "anyone", "any person", "no matter who"; literally any pig or dog
    • 呢啲噉嘅評論,阿豬阿狗都識寫啦!
      呢啲噉嘅评论,阿猪阿狗都识写啦!
      lei1 di1 gam2 ge3 ping4 leon6, aa3 zyu1 aa3 gau2 dou1 sik1 se2 laa1!
      Anybody could have written a crappy piece of commentary like this!
  2. 近義詞
    阿茂阿壽、阿貓阿狗
Definitions (Wiktionary)
  1. noun, Cantonese, derogatory, often
    Tom, Dick and Harry
    (syn.) 阿猫阿狗, 阿貓阿狗

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Jyutping aa3 zyu1 aa3 gau2
Pinyin a zhū ā gǒu

Definitions (CC-CANTO)
  1. strangers; nobody (spoken)
Examples (粵典–words.hk)
  1. Cantonese
    呢啲噉嘅评论,阿猪阿狗都识写啦!
    呢啲噉嘅評論,阿豬阿狗都識寫啦!
    lei1 di1 gam2 ge3 ping4 leon6, aa3 zyu1 aa3 gau2 dou1 sik1 se2 laa1!
    • Anybody could have written a crappy piece of commentary like this!