authority

n.

1. 权力, 职权
   • A policeman has the authority to arrest lawbreakers.
     警察有权逮捕犯法的人。
   • He has the authority for handling this matter.
     他有权力处理这件事。
2. 官方, 当局
   • The local authorities decided to build a suspension bridge over the river.
     该地区政府决定在这条河上建一座吊桥。
3. 权威, 专家
   • A good dictionary is an authority on the meanings of words.
     一本好词典是词义的权威。