猖獗

例句：

1. 1. The wild animals were running aroundin the forest.
   野生动物在森林里奔跑。
2. 2.The criminal was rampant with his crimes.
   罪犯肆无忌惮地犯罪。
3. 3. The wildfire spreadrapidly across the mountain range.
   野火迅速蔓延到山区。