[----]

Jyutping maang4 zi6 dou1 m4 sik1 do1 zek3
Pinyin máng zì dōu wú shí duō zhǐ

Definitions (粵典–words.hk)
  1. 語句
    一個​字​都​唔​識​,​認​唔​到
    completely illiterate
  2. 近義詞
    目不識丁

[----]

Jyutping maang4 zi6 dou1 m4 sik1 do1 zi6
Pinyin máng2zi dōu n2 shí duō zì

Definitions (CC-CANTO)
  1. illiterate [colloquial]