give (someone) the nod
British & Australian, informal
to give someone permission to do something.
We're just waiting for the council to give us the nod then we'll start building.
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。