The most important weapon against carbon monoxide poisoning is the safe use of materials to heat any enclosed area.

VOA: special.2010.02.02

Anybody who's envolved in this area has to know the president cares most about keeping the country safe.

所有有关的人,必须知道总统最重视的是,保卫国家安全。

普林斯顿公开课 - 国际座谈会课程节选

So you want to stay clear out of that area. Otherwise, it's pretty safe.

所以你想远离那个地方。除此之外，这里是相当安全的。

纽约生活 - SpeakingMax英语口语达人

My house is outside of their military area, and my wife and children are safe there.

VOA: special.2011.05.28