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Jyutping gaau3 syu1 lou2
Pinyin jiāo shū lǎo

Definitions (CC-CANTO)
  1. the nickname for teacher
Definitions (Wiktionary)
  1. noun, Cantonese
    teacher
    (syn.) 先生, 教書佬, 教學仔仙 derogatory, 師, 搣時 female, 叫姑姑 derogatory, 教冊仔, 阿Sir male, 教書匠 derogatory, 教書先生, 教員, 教學仔, 教師, 老師, 先生儂