恃财傲物shì cái ào wù

be sure of oneself because of his wealth; be contemptuous of others because of one’s riches (/fortune)
❍ 那肄业生却是向来～的，任凭他人纷纷议论，他只给他一概不知。(吴趼人《二十年目睹之怪现状》589) As to the student involved in the scandal,he was sure of himself because of his wealth,so he paid no attention to the incessant criticism.

恃财傲物shì cái ào wù

仗着自己有钱财而看不起别人。