obligation [ˌɑ:blɪˈgeɪʃn]

例句:

• When teachers assign homework, students usually feel an obligation to do it.
  当老师布置家庭作业的时候，学生们通常觉得做作业是分内之事。
  
• Co-operation was more than just an attractive option, it was an obligation.
  合作不仅仅是诱人的选择，它也是一种责任。
  
• 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。
  
• We 've an obligation to correct such erroneous streotypes.
  来自SA
• The next President has an obligation to change things.
  来自NEWYORKER
• What obligation do reporters have to consider national-security concerns?
  来自NEWYORKER
• His social obligation compels him to make a round of visits.
  他的社会职责使得他不得不进行一系列访问。
  来自《权威词典》
• A good citizen has certain obligation to society.
  一个好公民对社会有某些义务。
  来自《权威词典》