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Jyutping ngoi6 dou6
Pinyin wài dào

Definitions (Wiktionary)
  1. noun, figuratively
    unorthodox teachings
  2. noun
    outside lane
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)

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Jyutping ngoi6 dou6
Pinyin wài dao

Definitions (CC-CANTO)
  1. Heretics; tirthika
Definitions (Wiktionary)
  1. adj
    over-polite