a bounden duty a responsibility regarded by yourself or others as obligatory.
☞ Bounden as the past participle of bind is now archaic in all contexts and is seldom found except in this phrase.
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。