duty

• There's a watchman always on duty .
  有一个守夜的人，整夜都值更。
• He listed four new duties of management .
  他列举了管理部门的四条新职责。
• A barrister owes the duty to his client .
  出庭律师对其当事人承担该义务。
• Our duty is to hold ourselves responsible to the people .
  是向人民负责。
• It is your duty to protect them from harm .
  保护他们不受伤害是你的责任。
• A policeman must not smoke while he is on duty .
  警察当班值勤时不得抽烟。
• This duty is paramount to all the others .
  该义务是至高无上的。
• He was dismissed for neglect of his duty .
  他因玩忽职守被辞了。
• In my capacity as an officer of the law , i must do my duty .
  我必须尽职。
• Each one of them does a six hours' spell of duty .
  他们每个人值六小时的班。