- 目中无人 [mù zhōng wú rén]
- to one's eyes there is no other; care for nobody; treat others with contempt; put on airs and look down on other people; consider everyone beneath one's notice; having no respect for anyone; look down one's nose at everyone; be supercilious; be overweening; get [grow] too big for one's boots; far gone in pride; with one's nose in the air; proud and haughty:
He thought too much of himself and was getting too big for his boots, though he kept his thoughts to himself. 他少年得志，目中无人，不过没有表露出来。
Just look at the airs she's giving herself, looking down her nose at everybody. 你看她的神气，简直是目中无人。
Since she won a prize at school she's been going about with her nose in the air and refusing to talk to the other girls.
What he said showed he was really defiant.