Idiom meaning, usage examples, facts

A B C D E F G H I J K L M N O P R S T U W Y
TO BLOW THE WHISTLE
to report someone's wrongdoing to someone (especially a person in authority)
 TO BLOW THE WHISTLE
1. The citizens' group blew the whistle on the street gangs by calling the police.
2. One of the police officers blew the whistle on his colleagues when he found out they were taking bribes.


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