at (or to) heel (of a dog) close to and slightly behind its owner.
☞ Bring someone to heel, meaning 'get someone under control and make them act subserviently', is taken from this expression.
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。