duty

• He was asleep at his post of duty .
  他在值勤的岗位上睡着了。
• After graduation, he began his duty .
  毕业后，他开始服兵役。
• They have a duty to ask the right questions .
  他们有责任提出一些该问的问题。
• Your first duty is to your family .
  你的首要责任是你的家庭。
• An old wooden box did duty for a table .
  把旧木箱当作桌子。
• He was just a man doing his duty .
  他只是一个尽职的人罢了。
• After graduation , he began his duty .
  他毕业后开始服兵役。
• He fulfilled the round of his duties scrupulously .
  他认真完成自己的日常职责。
• We 'll take our turn on duty at 1 p.m .
  我们下午一点接班。
• It is our bounden duty to help the disabled .
  帮助残疾人是我们义不容辞的责任。