The archbishop has sounded a warning to world leaders on third world debt.

大主教已经发出警告提醒世界领导人注意第三世界的债务。

《柯林斯英汉双解大词典》

Scientists are increasingly keen to find out what's going on because they consider the Arctic the "canary in the mine" for global warming—a warning of what's in store for the rest of the world.

科学家们越来越想知道到底发生了什么，因为他们认为北极是全球变暖中“煤矿中的金丝雀”——是对世界其他地方即将发生的事情的警告。

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The World Food Program is warning that the upward pressure on food prices is likely to lead to a “silent tsunami” of hunger.

世界粮食计划署正对食物价格飞涨的压力发出警告：这可能导致饥饿问题是一场“悄无声息的海啸”。

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The World Health Organization is warning the public not to use potassium iodide unless health officials advise them to.

VOA: special.2011.03.30

Recently,the World Health Organization raised its warning about the new H1N1 virus to its highest level.

VOA: special.2009.07.14

The country has one of the best earthquake early warning systems in the world.

VOA: special.2011.03.21

But the speech itself was very much on message, a warning that the world is a dangerous place.

BBC: Frustration grows between Romney camp and journalists

Today's headlines have rightly focused on the starkness of David Cameron's message - his warning that the world could soon be staring down the barrel if eurozone governments don't tackle their debt and their lack of competitiveness.

BBC: Global economy: Britain out of Europe

Not helping matters, and also weighing on market sentiment, was a warning by the World Bank yesterday.

FORBES: Has EU's Juncker Given The EUR The 'Kiss of Death'?