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Jyutping wong4 fung1 dau3
Pinyin huáng fēng dòu

Definitions (CC-CANTO)
  1. a vespiary (a wasp's nest); a hornet's nest (can be used in a metarphoric sense to describe someone unpleasant)
Definitions (粵典–words.hk)
  1. 名詞、術語
    石屎​氣泡
    honeycomb in concrete
Definitions (Kaifangcidian)
  1. 馬蜂窩 – 马蜂窝