crack down on

基本解释

There is fortunately no need for new regulations to crack down on such irresponsible lending practices.
幸运的是，不需要用新规定来制裁这种不负责任的贷款行为。
In the meantime, regulators have tried to crack down on dozens of banks, slapping hundreds with penalties that restrict their growth and direct them to raise capital.
与此同时，监管者们试图制裁数十家银行，对数百家银行进行处罚，限制它们的发展，并要求它们提高资本金。
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。

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.

Ho hum, a crack down on ticket touts (what Americans would call scalpers I think?).
FORBES: London Olympics Tickets: Mispriced and Sold to the Wrong People