patronizing       
adjective (UK usually patronising) uk/ˈpæt.rə.naɪ.zɪŋ/ us/ˈpeɪ.trə.naɪ.zɪŋ/
 屈尊俯就的;自以为高人一等的
speaking or behaving towards someone as if they are stupid or not important
  It's that patronizing tone of hers that I can't bear. 我受不了的正是她那屈尊俯就的语气。 
 Synonyms: arrogantconceited condescending haughty lordlyproud (FEELING IMPORTANT) self-important snooty supercilious superior (BETTER)