ㄔㄨchūㄋㄧˊˊérㄅㄨˋㄖㄢˇrǎn

  1. 蓮花爛泥依然清新美麗·周敦頤〉。比喻一個言行自己原則不會環境影響

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