- to consider everyone else beneath one (idiom); so arrogant that no-one else matters
- condescending
- to go about with one's nose in the air
“supercilious; consider everyone beneath one's notice”
眼里没有别人。形容骄傲自大，看不起人。
Origin 明·冯梦龙《东周列国志》第九十六回：“赵奢子赵括，自少喜谈兵法，家传《六韬》、《三略》之书，一览而尽；尝与父奢论兵，指天画地，目中无人，虽奢亦不能难也。”