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Jyutping waa4 seoi1
Pinyin huá xū

Definitions (Wiktionary)
  1. name, Chinese
    mythological civilisation to the south of Mount Hua; ideal state
  2. name
    Huaxu (a town in Lantian, Xi'an, Shaanxi, China)
  3. name, Chinese
    mother of Fuxi
  4. noun, figuratively
    dream; dreamland