Obliged
来自Big Physics
Middle English (in the sense ‘bind by oath’): from Old French obliger, from Latin obligare, from ob- ‘towards’ + ligare ‘to bind’.
etymonline
obliged (adj.)
"bound by ties of gratitude," 1540s, past-participle adjective from oblige. Earlier it meant "be in bondage, be bound by (a promise, pledge, rule, etc.)," also "be liable for the payment of; be condemned" (mid-14c.).
