They pose a serious threat to security.

他们对安全构成严重威胁。

Global warming has posed a serious threat to the survival of animals such as polar bears.

全球变暖对北极熊等动物的生存造成了严重威胁。

Local officials are using the levers that are available to them to safeguard residents' health in the face of a serious threat.

面对严重威胁，地方官员正在利用现有手段保障居民的健康。

The report also highlights incidents of fishing boats being involved in groundings, oil spills and accidents, which posed a serious threat to the Antarctic ecosystem.

这份报告还强调了渔船搁浅、石油泄漏和意外事件，这些事件对南极生态系统构成了严重威胁。

This is a very serious threat to us.

这对我们是一个严重威胁。

A serious threat?

这是一个严重的威胁吗？

The most serious threat is that of geological disasters.

最严重的威胁是地质灾害。

That is a more serious threat as EU energy-market liberalisation takeshold.

而这一点，随着欧盟能源市场自由化的全面展开，对Gazprom形成了比财政更为严重的威胁。

In themselves, the few thousand men in question will not pose a serious threat.

本身几千名在考虑中的军人都不会构成严重威胁。

The most serious threat, however, is the loss of warm water due to habitat loss.

而最严重的威胁是温水的减少导致的栖息地流失。

Unfortunately, each represents a serious threat to both corporations and stakeholders.

不幸的是，不论哪一种选择都会对企业本身和利益攸关者造成严重的威胁。

But lack of management means it remains under serious threat from fire and illegal logging.

但是，管理的缺失意味她仍然处在火灾和非法砍伐的严重威胁之下。

The spill spread over 165 square miles and posed a serious threat to both sea life and water quality.

原油的蔓延扩散超过了165平方英里，对海洋生物和水质造成了严重威胁。

If nothing else, the lawsuits demonstrate that rivals recognize Android has become a serious threat.

不出意外的是，所有的这些诉讼都说明了一个问题，Android的竞争对手们已经将其视为一个重大的威胁。

Now he has hard evidence that Mancini's team are the most serious threat to United's title hopes.

现在他有坚实的证据表明，曼尼奇的队伍是曼联夺冠的最大威胁。

However, periods experiencing stock-market crashes, such as 2008-09 in the U.S., represent a serious threat.

然而，在经历股市崩溃的时期，如美国的2008 - 09年，确实存在严重的威胁。

For all the problems it has brought, the most serious threat posed by Wyoming's gas boom is that it will end.

怀俄明州天然气的兴盛带来了很多的问题，最严重的一个威胁就是该状态总有一天会结束。

The good news is that, thanks to more precise measurements, the asteroid is no longer deemed a serious threat.

好消息则是多亏了更为精确的测算，这颗小行星不再是确凿无疑的严重威胁了。

We believe that global warming is a serious threat, and that the world needs to take steps to try to avert it.

我们认为，全球变暖是人类面临的严重威胁，世界各国需要采取措施，竭力避免这一问题。

Two years on there is a more serious threat to the supply lines of countries on the fringes of the euro zone.

2年来，还有一个更严重的问题威胁着欧元区边缘国家的供应链。

Obama's middle name "Hussein" and his popularity in Arab countries could pose a serious threat to the organization.

奥巴马的中名“侯赛因”以及他在阿拉伯国家的广受欢迎也许对组织将构成严重威胁。

This helps slow the rate of global warming but also increases ocean acidity, posing a serious threat to Marine life.

这有利于降低全球温室效应的速率，但也提高了海水的酸性，给海洋生物带来了严重的威胁。

The cost of the bailouts and the long-term weakness of the dollar mean that inflation will be a serious threat in the future.

紧急援助的花费和美元的长期疲软表明在未来通货膨胀将是严峻的威胁。

We need to make sure that we continue to provide the training, the support that Yemen needs to counter this very serious threat.

我们得确定我们要继续向也门提供反击这种非常严重的威胁所需的训练和支持。

But the more serious threat comes from semiautonomous machines over which humans retain nothing more than last-ditch veto power.

但是更严重的威胁来自那些人类仅有最后一刻否决权的半自主机器。