a chip on (your) shoulder
a tendency to be easily angered or upset.
He always acted as if he was better than us and went around with a chip on his shoulder.
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。