They know that Iran is a powder keg, he says.

他说，他们知道伊朗是一个火药桶。

And their presence threatens to be the spark that light the powder keg.

他们的出现将点燃冲突的导火索。

First up, the police chief of Ferguson, Missouri says the small town's a powder keg.

首先让我们关注现在引发大讨论的枪击事件，密苏里州弗格森警察局的局长表示整个小城镇现在就是一个炸药桶。

He accused the Sarkozy government of lighting a powder keg by starting deregulation in the first place.

该调解人指责萨科齐政府从一开始放松管制就是玩火自焚的行为。

But the Afghan War would be the powder keg which blew the rotten Soviet state sky high.

而阿富汗战争像炸药桶一样，将已经腐朽的苏联炸了个半死。

The problem in France is the suburbs, they are like powder kegs. We really have to fix this problem.

问题在于法国的郊区, 它们就好比随时引爆的炸药桶。我们必须解决这个问题。

The country felt like a powder keg waiting to explode.

这个国家就像一个等待爆炸的火药桶。

That is what powder keg means.

这就是火药桶的意思。

You just set a match to a powder keg.

你刚往炸药桶扔了根火柴。

A city alderman says Milwaukee has been a powder keg for potential violence this summer.

一位市议员说，密尔沃基今年夏天一直是潜在暴力事件的火药桶。