also duty bound
If you say you are duty-bound to do something, you are emphasizing that you feel it is your duty to do it. ( FORMAL )
I felt duty bound to help.
ADJ : v-link ADJ to-inf [ emphasis ]
also duty bound
If you say you are duty-bound to do something, you are emphasizing that you feel it is your duty to do it. ( FORMAL )
I felt duty bound to help.
ADJ : v-link ADJ to-inf [ emphasis ]
Collins COBUILD Advanced Learner's English Dictionary. Английский словарь Коллинз COBUILD для изучающих язык на продвинутом уровне. 2006