肆無忌憚 sì wú jì dàn

DEFINITIONS

  1. absolutely unrestrained
  2. unbridled
  3. without the slightest scruple

CHARACTERS

肆 sì
HSK 6
indulge; excess; numeral four; particle meaning now, therefore; shop
無 wú negative, no, not; lack, have no
忌 jì
HSK 6
jealous, envious; fear
憚 dàn dread, shrink from, shirk, fear