crack down
Intermediate (B1)neutral
To start punishing or stopping bad behaviour more strongly.
"The government announced it would crack down on tax evasion with new legislation."
Hear it in context

Noriega is not the same as Maduro : Panama Operation Just Cause vs Venezuela Absolute Resolve
The Cynical Historian · 27:22
Crack down.

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The Hill · 148:46
Crack down on Marxist prosecutors,

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TRT Drama English · 18:14
If we crack down on Noyan...

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The Plain Bagel · 26:49
to crack down on insider trading.

Using an Ex
The People's Court · 14:01
You would crack down on it.