擘大個口得個窿 [－－个－－个－]

Jyutping maak3 daai6 go3 hau2 dak1 go3 lung1
Pinyin bāi dà gè kǒu dé gè lóng

Definitions (粵典–words.hk)
  1. 語句
    因為​好​驚訝​，​或者​唔​識答​問題​，​所以​打開​咗​個​口​，​但​係​又講​唔​到​嘢​出​嚟
    to have one's mouth wide open without uttering a sound, often due to surprise or inability to answer a question; literally 'opens one's mouth wide, and there's only a hole'
  2. 近義詞
    O嘴
Definitions (Kaifangcidian)
  1. 張口結舌 – 张口结舌
  2. 啞口無言 – 哑口无言
  3. 瞠目結舌 – 瞠目结舌

擘大個口得個窿 [掰－个－－个－]

Jyutping maak3 daai6 go3 hau2 dak1 go3 lung1
Pinyin bāi dà gè kǒu dé gè lóng

Definitions (CC-CANTO)
  1. verb; describes people when get a shock or surprise; they open their mouth wide and are unable to reply; to be rendered speechless