警察当局的用法和样例：
例句
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上周最畅销书的作者被警察当局认为又是再次犯规。
The author of the best seller of last week was thought by the police of repeat offense. -
（奉）警察当局的命令，街道这一边禁止停车。
No parking on this side of the street, by order of the police. -
缺乏线索使警察当局受阻。
The absence of clues baffled the police. -
那个老板勾结警察当局迫害工人。
The boss intrigued with the police against the workers.
