知足常乐zhīzúchánglèMeanings1. satisfied with what one has (idiom)Characters used知to know足foot常common乐happyExamples2谁shéi都dōu知道zhīdào知足常乐zhīzúchánglè。Everybody knows that happiness is in contentment.知足常乐zhīzúchánglè。Happy is the man who is contented.