飽漢不知餓漢飢 [饱汉－－饿汉饥]

Jyutping baau2 hon3 bat1 zi1 ngo6 hon3 gei1
Pinyin bǎo hàn bù zhī è hàn jī

Definitions (CC-CEDICT)
  1. The well-fed cannot know how the starving suffer (idiom).
Definitions (Wiktionary)
  1. phrase, idiomatic
    the well-fed do not know how the starving suffer; to have no realization of how others feel; to be oblivious