ADJ [verb-link ADJ, oft ADJ to-infinitive](感到)有责任的,有义务的 If you feel obligated to do something, you feel that it is your duty to do it. If you are obligated to someone, you feel that it is your duty to look after them. (感到)有责任的,有义务的 [formal]
I felt obligated to let him read the letter.
我觉得有义务让他看到这封信。
He had got a girl pregnant and felt obligated to her and the child. [+ to]