knock someone or something on the head decisively prevent an idea, plan, or proposal from being held or developed. British informal
☞ The image in this phrase is of stunning or killing a person or an animal by a blow to their head.
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。