Averting such destructive contagion should be the overwhelming priority .

避免这种破坏性蔓延应被当作压倒一切的任务。

However , bad stress can be overwhelming .

然而，坏的压力则是势不可挡的。

So today , when the challenges we face start to seem overwhelming or even impossible let us never forget that doing the impossible is the history of this nation ...... it 's who we are as americans ...... it 's how this country was built .

所以，今天，当我们所面临的挑战开始看上去势不可当甚至无法战胜让我们不要忘记，做那些不可能的事，就是这个国家的历史，就是我们作为美国人本来的样子，就是这个国家建立起来的历程。

Waves in our life are overwhelming circumstances .

我们生命里的风浪就是把你压倒了的环境。

Violence only works if it is overwhelming .

暴力只有在其压倒一切时才会起作用。