啞仔食雲吞 [哑－－云－]

Jyutping aa2 zai2 sik6 wan4 tan1
Pinyin yǎ zǎi shí yún tūn

Definitions (粵典–words.hk)
  1. 語句
    歇​後​語​嘅​上​句​，​下句​係​「​心中​有數​」
    to know exactly what's going on; first part of a sandwich pun, literally, a mute person eats wonton, the second part of which is 心中有數sam1 zung1 jau5 sou3, to have the count in one's heart
Examples (粵典–words.hk)
  1. Cantonese
    哑仔食云吞
    啞仔食雲吞
    aa2 zai2 sik6 wan4 tan1
    • to know exactly what's going on; literally: a mute person eats wonton