飽人不知餓人飢 [饱－－－饿－饥]

Jyutping baau2 jan4 bat1 zi1 ngo6 jan4 gei1
Pinyin bǎo rén bù zhī è rén jī

Definitions (CC-CEDICT)
  1. The well-fed cannot know how the starving suffer (idiom).