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Jyutping sei2 kiu2
Pinyin sǐ qiáo

Definitions (粵典–words.hk)
  1. 名詞
    屎橋​,​行​唔​通​嘅​諗​法​、​計劃​、​手段
    an impractical idea; a low scheme or trick; a useless plan or scheme; literally, dead bridge
  2. 近義詞
    屎橋
Definitions (Kaifangcidian)
  1. 絕招 – 绝招

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Jyutping si2 kiu4
Pinyin sǐ qiáo

Definitions (CC-CANTO)
  1. bad or cheeky idea (spoken)