The phrase "aggressive crackdown" is correct and usable in written English.
It can be used to describe a forceful or intense effort to suppress or control something, often in a law enforcement or regulatory context.
Example: "The government announced an aggressive crackdown on illegal drug trafficking in the region."
Alternatives: "strong enforcement action" or "intense suppression effort".
Also, many Palestinians feel that Israel's military is still waging an aggressive crackdown in Palestinian areas.
Weak performance, enhanced regulation and an aggressive crackdown on insider trading have cast a harsh spotlight on the industry.
Taken together, F.T.C. officials say the two actions mark the beginning of their most aggressive crackdown ever on the industry.
The new designation set off an even more aggressive crackdown on the group, most of whose leaders have been jailed.
Aggravating the problem is declining enrollment caused by families moving out of Phoenix because of the economic crisis as well as the state's aggressive crackdown on illegal immigration.
It was prompted by a separatist rebellion among some Kurds there that included guerrilla warfare and an aggressive crackdown by the Turkish military.
As the United States has pushed for more aggressive crackdowns on suspected supporters of terrorism, foreign leaders have pushed back.
Lisa LaBruno, the group's vice president for loss prevention, said the increased violence was partly in response to more aggressive crackdowns.
Many patrol officers point to the aggressive crackdowns that cut crime but made them feel unpopular, even despised, in neighborhoods they helped make safer.
The action was said to mark the beginning of "one of the most aggressive crackdowns on money-laundering in decades, intended to send a signal to the nation's biggest banks that weak compliance is unacceptable," The Times writes.
But the aggressive crackdowns on criminal organizations in Mexico and Colombia, coupled with strides in limiting smuggling across the Caribbean, have increasingly brought the powerful syndicates here, pushing the drug scourge deeper into small Central American countries incapable of combating it.
