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Jyutping wai2
Pinyin huǐ

Definitions (Wiktionary)
  1. character, Chinese
    venomous snake
  2. character, Waxiang
    snake

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Jyutping wai2
Pinyin huī

Definitions (CC-CANTO)
  1. large poisonous snake/lizard/a treacherous and malicious person
Definitions (Wiktionary)
  1. character
    Only used in 虺隤/虺𬯎 (“sick; ambitionless”).
Definitions (Unihan)
  1. large poisonous snake
  2. Cangjie Input
    MULMI

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Jyutping fui1
Pinyin huǐ

Definitions (CC-CEDICT)
  1. mythical venomous snake

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Jyutping fui1
Pinyin huī

Definitions (CC-CEDICT)
  1. sick
  2. with no ambition
Definitions (CC-CANTO)
  1. sick/with no ambition
Examples (Wiktionary)
  1. Mandarin
    荒葛罥涂,坛罗虺蜮,
    荒葛罥塗,壇羅虺蜮,
    huāng gě juàn tú , tán luó huǐ yù ,
    • Wild kudzu vines tangle the paths,
      In the halls gather vipers and bombardier beetles,