爱家薇薇
duty 英音：['dju:ti]美音：['djutɪ] 名词 n. 1.责任;义务;本分[C][U]It is our duty to defend our country. 保卫国家是我们的义务。 2.税[C][U]Customs duties are paid on imported goods. 对进口货物征收关税。 3.职责;职务[P1]One of my duties is to file the letters. 我的职责之一是将信件归档。 4.敬意;恭顺5.(机器的)功率;能率;负荷6.(作物所需的)灌溉量*********************************************************obligation 英音：[,ɔbli'geiʃən]美音：[,ɑblə'geʃən] 名词 n. 1.(道义上或法律上的)义务;责任[C][U][(+to)][+to-v]We were under obligation to finish the work in a satisfactory way. 我们有义务圆满地完成工作。 You are under no obligation to buy the house if you have not signed a purchase agreement. 如果你没有签订购买合同,就不一定非买这房子不可。 Our parents fulfilled their obligation to support us. 父母亲尽到了抚养我们的责任。 2.恩惠[C][(+to/toward)]repay an obligation 报答恩惠 3.合约,契约;证券[C]The builder failed to fulfil the terms of his obligation. 营造商未能履行合同的条款。 4.偿付债务的款项[C]The lawyer drew up a legal paper discharging him from all obligations. 律师拟定了一份法律文件,免除他所有的债务款项。
可可Cris
义务英语是：obligation。
obligation
英 [ˌɒblɪ'ɡeɪʃn] 美 [ˌɑːblɪ'ɡeɪʃn]
n. 义务；责任。
We are invited, but we are under no obligation to go.
我们是被邀请了,但并不意味着我们有义务一定要去。
I have an obligation to keep secret for the taxpayer.
我有责任为纳税人保密。
辨析：
duty，obligation，responsibility，function
这些名词都有“义务”或“职责”之意。
duty指按道德和法律的标准，一个人永远要尽的义务，强调自觉性。
obligation指道义上或法律上对他人的义务，强调强制性。也指因作出承诺而被迫履行的某种义务。
responsibility指任何义务、职责、责任或职务上所应尽的本分，强调对他人的责任。
function指因职务或职业关系去履行某种职责。
