British, old-fashioned
if a situation is a rum do, it is strange and people often do not approve of it.
All three of his ex-wives still live with him. It's a rum do if you ask me.
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。