囂張跋扈 [嚣张－－]

Jyutping hiu1 zoeng1 bat6 wu6
Pinyin xiāo zhāng bá hù

Definitions (CC-CEDICT)
  1. arrogant and despotic
Definitions (粵典–words.hk)
  1. x
Definitions (Wiktionary)
  1. phrase, idiomatic
    arrogant and despotic; domineering and aggressive