crack down

基本解釋

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——英國議會(huì)周四批準(zhǔn)了一項(xiàng)計(jì)劃，決定對(duì)數(shù)字媒體盜版進(jìn)行打擊，方法就是授權(quán)中斷累犯們的網(wǎng)絡(luò)連接。
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.
一些駕車者對(duì)“輪滑交警”表示歡迎，并認(rèn)為這是一項(xiàng)省時(shí)的舉措，但另有一些人認(rèn)為交警的職責(zé)不僅是疏解交通，還應(yīng)該打擊那些引發(fā)交通擁堵的違規(guī)駕駛行為。
Why crack down now?
為什么是現(xiàn)在打擊？

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