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Jyutping zaa3 mou4
Pinyin zhà máo

Definitions (Wiktionary)
  1. verb, especially, of an animal
    to bristle (in anger or fear)
  2. verb
    to lose one's temper; to get angry
Examples (Tatoeba—Mandarin-English)
  1. Mandarin
    狗生气地炸毛了。
    狗生氣地炸毛了。
    gǒu shēng qì dì zhà máo le 。
    • The dog's hair bristled up with anger.