您要查找的是不是：
- I think it my duty to serve the people. 我认为为人民服务是我的责任。
- How can I get shut of such an unwelcome duty? 我自发以才能逃脱掉这个令人如此计厌的差事呢？
- A small party of men were told off for burial duty. 一小组人被分派去执行掩埋的任务。
- I am afraid the last post has been dispatched. 恐怕末班邮件已经发出了。
- Be it our duty to comply with his request? 我们有义务满足他的要求吗？
- All bookings must be made by post. 所有预约都必须用信函形式。
- He who does his duty is worthy of praising. 凡是忠于职守的人都值得奖励。
- By parcel post our samples were sent. 我们的样品是通过邮包寄送的。
- No one can alter the fact, ex post facto. 没有人能在事后改变事实本身。
- I feel it my duty to speak frankly to you. 我觉得我有义务要坦白地对你说。
- How long is the post tenable for? 这个职位任期多长？
- I felt bad that I had not done my duty. 我很难过，我没有履行自己的职责。
- It is my painful duty to tell him he is dying. 要我把他即将去世的事告诉他，这使我十分为难。
- He is on night duty three days a week. 他一个星期要上三天夜班。
- I went to the post office to mail the letters. 我去邮局寄信。
- The danger recalled him to a sense of duty. 这危险的事唤起了他的责任感。
- He was disqualified for the post on account of age. 年龄不合格使他无法无资格任此职。
- His suitability for the post is open to question. 对这一职位他是否适宜很成问题。
- I'm duty bound to visit my old aunt. 我有义务去探望年老的姑妈。
- I want to send these magazine by book post. 我想把这引起杂志作为书籍邮件寄出。
