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Jyutping sik6 mai5 m4 zi1 gaa3
Pinyin shí mǐ wú zhī jià

Definitions (粵典–words.hk)
  1. 語句
    唔​知道​白米​嘅​價​錢​,​比喻​唔​知道​生活​艱難
    to be ignorant of the hardships in life, literally "not knowing the price of rice"
  2. 近義詞
    唔知米價、食米唔知米貴