We are now witnessing an unprecedented increase in violent crime.

我们现在看到暴力犯罪空前增多。

《牛津词典》

Many people in this country are alarmed by the dramatic increase in violent crime.

这个国家有许多人对暴力犯罪案件的急剧增加感到惊慌。

youdao

In the wake of those layoffs, Camden has seen a 14 increase in violent crime, and homicide has risen 30 percent.

WHITEHOUSE: Vice President Biden Talks About the American Jobs Act with First Responders | The White House

The BBC's Heba Saleh said the move appeared to be an effort to assuage public anger over a perceived increase in violent crime in the country.

BBC: Kuwait hangs maid murderers

Guatemala has experienced an increase in violent crime since 1996.

CENTERFORSECURITYPOLICY: Guatemala's upcoming elections