义务yìwù 1.公民或法人按法律规定应尽的责任,例如服兵役(跟‘权利’相对as opposed to ‘right’})。{duty; obligation; responsibility undertaken by a citizen or legal person according to law, such as serving in the army} 2.道德上应尽的责任{moral obligation}: 我们有~帮助学习较差的同学。{We are duty-bound to help classmates who are not doing well in their studies.} 3.不要报酬的{volunteer; voluntary}: ~劳动{voluntary labour}|~演出。{voluntary performance}