Economist Gianluca Benigno of the London School of Economics says cracking down on tax havens should not be an immediate concern.

VOA: standard.2009.04.02

So in the years just before 1637, the English court under James I and then later under Charles I -the English crown had been cracking down on the delivery of Puritan sermons in the church.

因此在1637年之前，詹姆斯一世以及,后来的查理一世，领导下的王庭,此时英国的王权已经在极力打击,清教徒训诫仪式的实行。

耶鲁公开课 - 弥尔顿课程节选

Military analysts believe Iran is wary of cracking down too hard, for fear of drawing in other militants from neighboring Pakistan and Afghanistan.

VOA: standard.2009.10.19

The state is collaborating with the federal Bureau of Alcohol, Tobacco,Firearms and Explosives, known as the ATF, in cracking down on the cigarette black market.

VOA: standard.2010.08.11

(THUNDER CRACKING) Stop!

VOA: standard.other