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Jyutping daa2 m4 tung1
Pinyin dǎ wú tōng

Definitions (粵典–words.hk)
  1. 動詞
    電話​唔​能夠​接駁​到​去​要​接電​話​嘅​一方​,​可能​係​因為​網絡​問題​或者​電話​冇​電
    phone is not connected to the end of receiving a phonecall
    • 我唔係唔聽電話,你係打唔通比我啫。
      我唔系唔听电话,你系打唔通比我啫。
      It isn't my fault to not pick up the phone call, it is just not connected.
  2. 反義詞
    打得通
Definitions (Kaifangcidian)
  1. 打不通
Examples (粵典–words.hk)
  1. Cantonese
    佢个电话打唔通。
    佢個電話打唔通。
    keoi5 go3 din6 waa2 daa2 m4 tung1.
    • His phone cannot be connected.
  2. Cantonese
    我今朝打过电话俾佢,不过打唔通。
    我今朝打過電話俾佢,不過打唔通。
    ngo5 gam1 ziu1 daa2 gwo3 din6 waa2 bei2 keoi5, bat1 gwo3 daa2 m4 tung1.
    • I tried to call her this morning, but I couldn't get through.
  3. Cantonese
    我唔系唔听电话,你系打唔通比我啫。
    我唔係唔聽電話,你係打唔通比我啫。
    • It isn't my fault to not pick up the phone call, it is just not connected.
Examples (Wiktionary)
  1. Cantonese
    我打咗几次都打唔通。
    我打咗几次都打唔通。
    ngo5 daa2 zo2 gei2 ci3 dou1 daa2 m4 tung1.
    • I tried to call several times but couldn't get through.