earn/win (your) spurs
to do something to show that you deserve a particular position and have the skills needed for it.
He won his political spurs fighting hospital closures during his time as a local councillor in Bristol.
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。