with (your) nose in the air
behaving as if you think you are better than other people and do not want to speak to them.
I quite often see him in the street and he always walks past with his nose in the air.
英语词组固定搭配大全包含18674条英汉双解词组，基本涵盖了全部常用英文词组、短语的翻译及用法，是英语学习的有利工具。