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Jyutping sang1 mou4
Pinyin shēng máo

Definitions (Wiktionary)
  1. verb, Hakka
    to grow hair
    (syn.) 长毛, 長毛
  2. verb, Zhangzhou-Hokkien
    to become moldy; to become mildewed
Examples (粵典–words.hk)
  1. Cantonese
    你真系胆生毛喇,竟然去偷嘢。
    你真係膽生毛喇,竟然去偷嘢。
    nei5 zan1 hai6 daam2 saan1 mou4 laa3, ging2 jin4 heoi3 tau1 je5
    • How audacious! You actually committed theft!