What does "crack down" mean?

To take severe measures against something To become stricter in enforcing rules.

How do you use "crack down" in a sentence?

Police are cracking down on speeding. They're cracking down on tax evasion. The school cracked down on bullying.

Phrasal Verb BritishAmericanAustralian ★★★★☆ Common Neutral

Significado: To take severe measures against something

严厉打击、取缔

Tomar medidas severas, actuar con firmeza

取り締まる、厳しく対処する

단속하다, 엄하게 대처하다

To become stricter in enforcing rules.

更加严格地执行规则。

Volverse más estricto en la aplicación de las normas.

規則の施行をより厳しくすること。

규칙 시행을 더욱 엄격하게 하다.

Base verb: crack

Particle: down

Separable: No — the verb and particle stay together

Police are cracking down on speeding.
警方正在严厉打击超速行为
La policía está actuando con firmeza contra el exceso de velocidad
警察はスピード違反を取り締まっている
경찰이 과속을 단속하고 있다.
They're cracking down on tax evasion.
他们正在严厉打击逃税行为
Están tomando medidas severas contra la evasión fiscal
脱税を厳しく取り締まっている
탈세를 엄하게 단속하고 있다.
The school cracked down on bullying.
学校严厉打击了霸凌行为
El colegio actuó con firmeza contra el acoso
学校はいじめを厳しく取り締まった
학교가 왕따를 엄하게 단속했다.

Contexto: enforcement, rules

Tono: strict

Cracking down on crime
打击犯罪
Actuando con firmeza contra el crimen
犯罪を取り締まる
범죄를 단속하다

From the forceful action of cracking.

Era: Modern

Generation: All ages

Social background: Universal