have someone's back support and protect someone.
2018Mel SherratHush Hush 'The Steeles won't protect you when all this goes pear-shaped'. 'Eddie has my back …. He'll look out for me because I look out for him'.
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。