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Jyutping je5 gai1 hok6 haau6
Pinyin yě jī xué xiào

Definitions (粵典–words.hk)
  1. 名詞、俚語
    缺乏​認受​性​、​冇​咩​機構​承​認​嘅​學​校​(​量​詞​:​間​)
    unlicensed school; school with no status; diploma mill

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Jyutping je5 gai1 hok6 haau6
Pinyin yē3ji xué2xiao

Definitions (CC-CANTO)
  1. a diploma mill [written and colloquial]
Examples (粵典–words.hk)
  1. Cantonese
    野鸡学校
    野雞學校
    je5 gai1 hok6 haau6
    • diploma mill
Examples (Wiktionary)
  1. Mandarin
    野鸡学校
    野雞學校
    yě jī xué xiào
    • fly-by-night school