hold someone or something to ransom
1 hold someone prisoner and demand payment for their release.
2 demand concessions from a person or organization by threatening damaging action.
a king's ransom: seeking.
英语词组固定搭配大全包含15956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。