a skeleton in the/(your) cupboard
British & Australian, American
an embarrassing secret.
If you want to be a successful politician, you can't afford to have too many skeletons in your cupboard.
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。