n.义务，责任
- The manufacturer has not fulfilled the terms of his obligation. 生产商还没有履行合同责任的条款。
搭配：
- under an obligation to do sth. 有做……的义务
We are under an obligation to help. 我们有义务帮忙。
- lay/put sb. under (an) obligation 施恩惠，使负义务
Damaging the goods puts you under an obligation to buy them. 你损坏了这些商品，你就得都买下来。
- undertake an obligation 承担义务
Nor would we undertake an obligation to concert US-Soviet actions toward third countries. 我们也不承担协调美苏针对第三国行动的义务。
辨析：
- obligation 协定或法律规定的责任
They felt under no obligation to maintain their employees. 他们觉得没有义务为员工提供生活费。
- commitment 承诺（有时是口头的），承认承担的义务
It is an open question how long that commitment can last. 这一承诺能维持多久还不确定。
- duty 从道德、伦理出发要承担的责任
She failed in her duty. 她没有履行她的职责。
- responsibility 比duty正式，语意强，伦理上非履行不可的责任
She had shared responsibility for her brother since girlhood. 她还是个小姑娘的时候就分担起照顾弟弟的责任。
- blame 因过失而必须承担的责任或指责
Everyone must accept their share of the blame. 每个人都必须承担自己的那份责任。
