ㄔㄨchūㄋㄧˊyūníˊérㄅㄨˋㄖㄢˇbùrǎn

  1. 蓮花生長爛泥清麗脫俗不受汙染比喻言行原則不受外在環境影響

lit. to grow out of the mud unsullied (idiom)​, fig. to be principled and incorruptible