安之若素 [－－－－]

Jyutping on1 zi1 joek6 sou3
Pinyin ān zhī ruò sù

Definitions (CC-CEDICT)
  1. bear hardship with equanimity
  2. regard wrongdoing with equanimity
Definitions (Wiktionary)
  1. phrase, idiomatic
    to bear hardship with equanimity; to regard wrongdoing with equanimity