| gen. |
to start dealing with bad or illegal behaviour in a more severe way (The library is cracking down on people who lose their books.  cambridge.org); to take strong action to stop something (The law limits engine idling to four minutes, but there aren’t enough police officers to crack down on the problem.
cambridge.org); if people in authority crack down on a group of people, they become stricter in making the group obey rules or laws (The police are cracking down on motorists who drive too fast.
collinsdictionary.com); to start dealing with someone or something much more strictly (The school is cracking down on smoking.
macmillandictionary.com) |
