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Jyutping faat3 hung1 dau6
Pinyin fā hōng pǒu

Definitions (Wiktionary)
  1. verb, Cantonese, verb-object
    to stare blankly
    (syn.) 發痴, 发懵, 發愣, 發呆, 发痴, 戆去, 愣, 發懵, 卬去, 发愣, 戇去, 发呆, 一怔

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Jyutping faat3 ngau6 dau6
Pinyin fā hōng pǒu

Definitions (粵典–words.hk)
  1. 動詞
    發呆​,​雙目​無神​/​放空​;​精神恍惚
    to day-dream; to idle time away
    • 你做咩淨係企喺度發晒吽竇呀,快啲繼續做嘢!
      你做咩净系企喺度发晒吽窦呀,快啲继续做嘢!
      nei5 zou6 me1 zing6 hai6 kei5 hai2 dou6 faat3 saai3 ngau6 dau6 aa3, faai3 di1 gai3 zuk6 zou6 je5!
      Stop standing here day-dreaming deeply and finish your work.
    • 發咩吽逗啊?冇時間喇!
      发咩吽逗啊?冇时间喇!
      faat3 me1 ngau6 dau6 aa3? mou5 si4 gaan3 laa3!
      Quit day-dreaming, time is running out!
  2. 近義詞
    冥想、放空、發呆、白日夢
  3. 參看
    發吽逗、發吽竇
Definitions (Kaifangcidian)
  1. 發愣 – 发愣
  2. 發呆 – 发呆

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Jyutping faat3 hung1 dau6
Pinyin fā hōng pòu

Definitions (CC-CANTO)
  1. daydreaming (spoken)
Examples (粵典–words.hk)
  1. Cantonese
    发吽哣
    發吽哣
    faat3 ngau6 dau6
    • to be bored and listless
    • to day-dream; to idle time away; to be absent minded
  2. Cantonese
    佢坐喺度发吽哣,个心都唔知飞咗去边。
    佢坐喺度發吽哣,個心都唔知飛咗去邊。
    keoi5 co5 hai2 dou6 faat3 ngau6 dau6, go3 sam1 dou1 m4 zi1 fei1 zo2 heoi3 bin1.
    • He is just sitting there and staring blankly. No one knows where his mind is off to.
  3. Cantonese
    我细妹响度发豆芽梦,成日对住隔篱屋个男仔发吽哣 。
    我細妹響度發豆芽夢,成日對住隔籬屋個男仔發吽哣 。
    ngo5 sai3 mui2 hoeng2 dou6 faat3 dau6 ngaa4 mung6, seng4 jat6 deoi3 zyu6 gaak3 lei4 uk1 go3 naam4 zai2 faat3 ngau6 dau6.
    • My little sister is always dreaming about puppy love, always casting her longing stares at the boy next door.