The prime minister maintains that winning in Afghanistan is crucial to keeping the streets of Britain safe.

VOA: standard.2009.07.13

Fourth, there's generally some arrangement, either for the publication of the treaty, or its deposition, its safe-keeping in some sort of shrine.

第四是一些笼统的安排，对条约的公布，或者废除，然后放在圣坛里，安全保管。

耶鲁公开课 - 旧约导论课程节选

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

Those working on child protection in the region say educating families and children about sexual violence and children's rights is paramount in keeping girls safe.

VOA: standard.2010.06.29

There's a lot of engineering that we've already talked about in terms of producing quantities of the vaccine, producing it reliably, producing it safe, distributing it, and keeping track requires a level of sophistication that maybe you wouldn't have thought about initially.

我们已经讲过很多工程方面的内容,比如大批量制造疫苗,制造可靠的疫苗,制造安全的疫苗,分派发放疫苗,以及一个完善的随访监测系统,你们最早可能没有想过这些冬夜

耶鲁公开课 - 生物医学工程探索课程节选

Prime Minister Gordon Brown said Britain's military action in Afghanistan remains crucial in fighting terrorism and keeping Britain and its allies safe from further terrorist attacks.

VOA: standard.2009.09.04