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Jyutping so4 gang1 gang1
Pinyin shǎ gèng gèng

Definitions (Wiktionary)
  1. adj, Cantonese, ideophonic
    silly; foolish
    (syn.) 傻乎乎, 戆戆, 傻傻更更, 傻呵呵, 戇戇

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Jyutping so4 gaang1 gaang1
Pinyin shǎ gèng gèng

Definitions (粵典–words.hk)
  1. 形容詞
    蠢蠢​哋​;​唔​得​醒目​;​天然​呆
    simple-minded; silly; foolish
    • 佢睇落傻更更噉,其實佢好醒㗎。
      佢睇落傻更更噉,其实佢好醒㗎。
      keoi5 tai2 lok6 so4 gaang1 gaang1 gam2, kei4 sat6 keoi5 hou2 sing2 gaa3.
      He may look silly, but in fact he's quite smart.
  2. 近義詞
    傻傻更更、懵盛盛、烏啄啄
Definitions (Kaifangcidian)
  1. 傻乎乎

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Jyutping so4 gang3 gang3
Pinyin shǎ gēng gēng

Definitions (CC-CANTO)
  1. stupid; clumsy (spoken)
Examples (粵典–words.hk)
  1. Cantonese
    佢睇落傻更更噉,其实佢好醒㗎。
    佢睇落傻更更噉,其實佢好醒㗎。
    keoi5 tai2 lok6 so4 gaang1 gaang1 gam2, kei4 sat6 keoi5 hou2 sing2 gaa3.
    • He may look silly, but in fact he's quite smart.