Officers will crack down on lunatic motorists who speed or drive too close to the car in front.

警官们将严惩那些超速行驶或与前面车辆追尾的疯狂驾车者。

He pledged to crack down on rising crime.

他承诺将严厉打击犯罪上升。

The administration intends to crack down on crime.

行政部门打算对犯罪采取严厉手段。

Finally, law enforcement must crack down on collusion.

最后，执法者必须与勾结串通决裂。