英语语法分析

A police clampdown on car thieves hit a snag when villains stole one of their cars.

匪徒偷走了警方一辆汽车后，警方打击盗车贼的行动遇到了一点儿小挫折。

《柯林斯英汉双解大词典》

Passengers understood the clampdown.

乘客对安检表示理解。

But that was before the latest satellite clampdown.

但是这是发生在最近的卫星压制政策之前。