obliged
adjective [ after verb ] uk/əˈblaɪdʒd/ us/əˈblaɪdʒd/ (US or UK formal also obligated)
(FORCED)
be, feel, etc. obligedB2 [ + to infinitive ] 被迫做某事；必须做某事；只好做某事
to be forced to do something or feel that you must do something
Doctors are legally obliged to take certain precautions. 法律规定医生有责任采取某些预防措施。
She feels obligated to be nice to Jack because he's her boss. 她觉得必须对杰克殷勤些，因为他是自己的老板。
(GRATEFUL)
(be) much obligedformal 非常感谢，感激不尽，不胜感激
used to thank someone and say that you are grateful
"Here's the information you requested." "Oh, (I'm) much obliged (to you)." “这是您要的资料。”“哦，非常感谢。”
be obliged ifformal 如…将不胜感激
used to ask someone politely to do something
I'd be obliged if you would complete and return the form as soon as possible. 如能尽快填好并交回此表，鄙人将不胜感激。