a hang-up - a feeling of shame or worry about something in your appearance, your behaviour, or your past, especially one that other people do not understand.
Why are so many women hung-up about their bodies? (often + about)
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。