- 盛气凌人 [shèng qì líng rén]
- lord it over others; be domineering; be haughty towards sb.; be pushy and overbearing; browbeat other people; carry [assume] an arrogant air; carry it [things] with a high hand; give oneself airs; lift up the horn; put up [on] airs and bully others; take the high hand; throw one's weight about; become overbearing; with an arrogant air
Don't take on so.
Mr Green is always on his high horse. In fact, he is good for nothing.
Her arrogant behaviour on court psyched her opponent (out) completely.