crack down

基本解释

PARIS — The British Parliament on Thursday approved plans to crack down on digital media piracy by authorizing the suspension of repeat offenders’ Internet connections.
巴黎——英国议会周四批准了一项计划，决定对数字媒体盗版进行打击，方法就是授权中断累犯们的网络连接。
Some motorists welcomed the rollerblading officers as a time-saving solution, but others said the police needed to crack down on the bad driving that causes the jams rather than just resolve them.
一些驾车者对“轮滑交警”表示欢迎，并认为这是一项省时的举措，但另有一些人认为交警的职责不仅是疏解交通，还应该打击那些引发交通拥堵的违规驾驶行为。
Why crack down now?
为什么是现在打击？

The first is to help the Mexican government crack down on the powerful drug cartels that operate along the border.
"We are very pleased,and it is part of our ongoing effort to crack down on off-shore tax evasion.
Former Federal Reserve economist Alan Viard tells VOA that efforts to crack down on tax evasion and save American jobs are always politically popular.

If Mr Putin tries to crack down, it would worsen his conflict with the elite.
ECONOMIST: Russia’s protests

If people in authority crack down on a group of people, they become stricter in making the group obey rules or laws.
&rarrsee also crackdown