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Jyutping tau2 m4 dou2 hei3
Pinyin tòu wú dào qì

Definitions (Kaifangcidian)
  1. 喘不過氣 – 喘不过气
  2. 透不過氣來 – 透不过气来

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Jyutping tau3 m4 dou3 hei3
Pinyin tòu n2 dào qì

Definitions (CC-CANTO)
  1. can not breathe; breathless; suffocating
Examples (粵典–words.hk)
  1. Cantonese
    我摙住佢喉咙,佢透都透唔到气。
    我摙住佢喉嚨,佢透都透唔到氣。
    ngo5 lin2 zyu6 keoi5 hau4 lung4, keoi5 tau2 dou1 tau2 m4 dou2 hei3.
    • I am grabbing his throat and he can barely breath.
  2. Cantonese
    我前后左右都系人,透唔到气咁滞。
    我前後左右都係人,透唔到氣咁滯。
    ngo5 cin4 hau6 zo2 jau6 dou1 hai6 jan4, tau2 m4 dou2 hei3 gam3 zai6.
    • I was surrounded by others, and found it hard to breathe.