with object To free by removing or releasing manacles or handcuffs.
Late 16th century; earliest use found in Richard Stanyhurst (1547–1618), literary scholar and translator. From un- + manacle.
英汉双解词典包含464360条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。