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Jyutping sai2 tung4 ngan2 gaap3 daai6 seng1
Pinyin xǐ tóng yín jiā dā4sheng

Definitions (CC-CANTO)
  1. to be in the wrong yet still unrepentant and holds a defiant attititude [colloquial]
Examples (粵典–words.hk)
  1. Cantonese
    洗铜银夹大声
    洗銅銀夾大聲
    sai2 tung4 ngan2 gaap3 daai6 seng1
    • to be in the wrong and lose one's temper when confronted; literally: to use bronze silver and shout loudly