have (or get) a foot (or toe) in the door have (or gain) a first introduction to a profession or organization or, more broadly, a (first) chance of ultimately achieving what you want.
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。