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Jyutping jat1 fong2
Pinyin yī huàng

Definitions (Wiktionary)
  1. adv
    in a flash; in an instant

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Jyutping jat1 fong2
Pinyin yī huǎng

Definitions (CC-CEDICT)
  1. (of passing time) in an instant
  2. (of a sight) in a flash
Definitions (Wiktionary)
  1. verb
    to pass in a flash; to pass in an instant
Definitions (Kaifangcidian)
  1. (沒有對應漢語詞彙)
Definitions (HSK3.0)
  1. HSK3 七一九级词汇表 #4885