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Jyutping daai6 m4 tau3
Pinyin dà wú tòu

Definitions (粵典–words.hk)
  1. 形容詞
    形容​人​雖然長​大​咗​但​係​性情​、​表現​仲成個​細路​噉
    childish; immature
    • 雖然佢已經三十歲,但係仲係大唔透噉,鍾意玩啲細路遊戲。
      虽然佢已经三十岁,但系仲系大唔透噉,钟意玩啲细路游戏。
      seoi1 jin4 keoi5 ji5 ging1 saam1 sap6 seoi3, daan6 hai6 zung6 hai6 daai6 m4 tau3 gam2, zung1 ji3 waan2 di1 sai3 lou6 jau4 hei3.
      Although he's already thirty, he's still very childish and still like to play children games.
  2. 近義詞
    唔熟性、蒸生瓜
Definitions (Kaifangcidian)
  1. 老小孩

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Jyutping daai6 m4 tau3
Pinyin dà n2 tòu

Definitions (CC-CANTO)
  1. describes an adult who still acts like a child and behaves immaturely
Examples (粵典–words.hk)
  1. Cantonese
    虽然佢已经三十岁,但系仲系大唔透噉,钟意玩啲细路游戏。
    雖然佢已經三十歲,但係仲係大唔透噉,鍾意玩啲細路遊戲。
    seoi1 jin4 keoi5 ji5 ging1 saam1 sap6 seoi3, daan6 hai6 zung6 hai6 daai6 m4 tau3 gam2, zung1 ji3 waan2 di1 sai3 lou6 jau4 hei3.
    • Although he's already thirty, he's still very childish and still like to play children games.