警察當局的用法和樣例：
例句
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上周最暢銷(xiāo)書(shū)的作者被警察當局認為又是再次犯規。
The author of the best seller of last week was thought by the police of repeat offense. -
（奉）警察當局的命令，街道這一邊禁止停車(chē)。
No parking on this side of the street, by order of the police. -
缺乏線(xiàn)索使警察當局受阻。
The absence of clues baffled the police. -
那個(gè)老板勾結警察當局迫害工人。
The boss intrigued with the police against the workers.
