run rampant

基本解释

Hoop-raised pork Disease can run rampant in factory-farm enclosures.
大棚饲养肉猪在工厂化农场围栏里疾病可疯狂传播。
For a long time, the dark have run rampant control over Earth and all upon her, including the human dance.
有很长一段时间以来，黑暗势力肆无忌惮地控制着地球和地球上的一切，包括人类之舞。
And our minds are such immense hindrances when allowed to run rampant out of habit.
和我们的头脑，这样的巨大障碍时，允许横行出来的习惯。

Critics of the government say these salafi groups, including those advocating violence, have been allowed to run rampant.
NPR: Jihadi Peril Makes Its Way To Tunisia
Greed and recklessness always run rampant during bubbles, and the mania that engulfed housing and much of the financial sector was no exception.
FORBES: Magazine Article
Since then, rumors have run rampant on the Internet about this plot to steal all our retirement monies to fund the federal deficit.
FORBES: Barack Obama And The Federal Government Are Not Taking Your 401(k)