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Jyutping kwai1
Pinyin kuí

Definitions (CC-CANTO)
  1. forest or meadow viper (Vipera russelii siamensis or similar)
Definitions (Wiktionary)
  1. character
    viper
Definitions (Unihan)
  1. Daboia siamensis, eastern Russell's viper
  2. Cangjie Input
    LIKGG

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Jyutping fui1
Pinyin kuí

Definitions (CC-CEDICT)
  1. used in 蝰蛇[kui2 she2]
Definitions (CC-CANTO)
  1. forest or meadow viper (Vipera russelii siamensis or similar)