crack down on something

Because children like those, she could only crack down on them so hard.

Before the government got involved and began to crack down on 900 lines.

And then he cracked down on them, taking away some of their benefits.

"So you think they really cracked down on our house?"

"Are you trying to crack down on people like us?"

The Chinese government is only now cracking down on the trade.

Most pressure is from people who want the government to crack down on crime.

In the last year, however, the Government has cracked down on street activity.

He said the process to crack down on those operations can take months or longer.

"I should be cracking down on this a little bit more."