Английский словарь американских идиом - duty bound

{adj. phr.} Forced to act by what you believe is right. * /Abraham Lincoln walked miles once to return a few pennies that he had overcharged a woman because he felt duty bound to do it./ * /John felt duty bound to report that he had broken the window./ DUTY CALLS {n. phr.} One must attend to one's obligations. * /"I'd love to stay and play more poker," Henry said, "but duty calls and I must get back to the office."/