blow the whistle on somebody
to tell someone in authority about something wrong that someone is doing
blow the whistle on something
to show to the public dangerous conditions or illegal activities

[TahlilGaran] Dictionary of Contemporary English ▲

blow the whistle on
blow the whistle (on (someone/something))
to show to the public dangerous conditions or illegal activities.
I knew my company was polluting the water, but I was afraid I would lose my job if I blew the whistle on it.

Usage notes: usually something bad is shown in the hope of correcting it
blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

[TahlilGaran] English Idioms Dictionary ▲

blow the whistle on something
blow the whistle (on (someone/something))
to show to the public dangerous conditions or illegal activities.
I knew my company was polluting the water, but I was afraid I would lose my job if I blew the whistle on it.

Usage notes: usually something bad is shown in the hope of correcting it
blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

[TahlilGaran] English Idioms Dictionary ▲

blow the whistle on
v. phr., slang
1. To inform against; betray.
The police caught one of the bank robbers, and he blew the whistle on two more.
2. To act against, stop, or tell people the secrets of (crime or lawlessness).
The mayor blew the whistle on gambling.
The police blew the whistle on hot reading.

[TahlilGaran] English Idioms Dictionary ▲

blow the whistle on someone
blow the whistle (on (someone/something))
to show to the public dangerous conditions or illegal activities.
I knew my company was polluting the water, but I was afraid I would lose my job if I blew the whistle on it.

Usage notes: usually something bad is shown in the hope of correcting it
blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

blow the whistle on (someone/something)
to tell someone in authority about something bad that is happening so that it can be stopped.
He was dismissed when he tried to blow the whistle on the safety problems at the factory.

The kids are encouraged to blow the whistle on any of their friends who are using drugs.

[TahlilGaran] English Idioms Dictionary ▲

blow the whistle on someone
to report someone's wrongdoing to the police or other authorities; reveal information about someone (from sports where the referee blows a whistle when someone does something wrong)
The employee blew the whistle on the illegal practices of the company.

The secretary blew the whistle on her boss for his responsibility in wasting much money in his department.

[TahlilGaran] English Idioms Dictionary ▲