tie up (someone)
to limit someone's ability to act.
I was tied up in meetings all morning.
We were late because traffic tied us up for two hours!
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。