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to blow the whistle on sb/sth
01
denunciare qualcuno alla polizia
to inform the authorities about something secret or the breach of legalities, particularly because one is morally obliged to do so
![to [blow] the whistle on {sb/sth} definition and meaning](https://cdn.langeek.co/photo/44638/original/?type=jpeg "to [blow] the whistle on {sb/sth} definition and meaning")
What is the origin of the idiom "blow the whistle on someone or something" and when to use it?
The idiom "blow the whistle on someone or something" has its roots in sports and referee practices. In sports, referees use a whistle to signal a foul or violation. The phrase likely evolved from this practice, as "blowing the whistle" on someone or something means exposing wrongdoing or calling attention to improper behavior, just as a referee calls attention to rule violations during a game. This expression is used to describe the act of revealing or reporting unethical, illegal, or inappropriate activities, typically within an organization, institution, or group.
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She decided to blow the whistle on the fraudulent accounting practices at the company.
The brave whistleblower blew the whistle on the government's illegal surveillance program.
After blowing the whistle on corporate fraud, he knew he was in the crosshairs of powerful individuals who wanted to silence him.
Employees are encouraged to blow the whistle on any instances of harassment in the workplace.
He blew the whistle on the corrupt officials who were embezzling public funds.
