crackdown on something
collocation
a situation in which someone starts to deal with bad or illegal behaviour in a more severe way: 制裁；处罚；打击；镇压
The chancellor presented the move as a crackdown on tax avoidance.
Hundreds of guns have been seized by police in a crackdown on illegal weapons bought over the internet.
See
crackdown
The president promised a crackdown on corporate fraud.
Advocates are using the attack to call for a crackdown on gun ownership.
His crackdown on internal squabbling has improved the party's standing in the polls.
There has been a series of government crackdowns on safety in factories.针对工厂安全问题，政府有一系列的处罚措施。
SMART Vocabulary: related words and phrases
Preventing and impeding
anti-drug
anti-jamming
avoid
avoidable
avoidably
fireproof
flameproof
guard against something
hamper
hang
have someone/something hanging round your neckidiom
head off
preclusion
preclusive
prejudice
prevent
preventable
scuttle
smother
suffocate
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