Adventurers take on these challenges all the time.

冒险者无时无刻不接受着新的挑战。

Stress is a feeling we all experience when we are challenged or overwhelmed.

当面临挑战或感到无助时，我们可以清晰的感受到压力的存在。

He challenged the status quo and called for action.

他向当时的现状发起挑战，号召人们行动起来。

This event underlined the massive security challenges Nigeria faces.

这次事件凸显了尼日利亚目前面临的规模安全挑战。

That point of view is often challenged and argued.

这一受到质疑争论。

You have turned our greatest challenge into our greatest pride.

你曾经是我们最的挑战，现在却成为我们最的骄傲。

And courts have rarely challenged the president on questions of defense.

而法庭很少在涉及国防的问题上挑战总统。

As so often is the case, stating that principle doesn't ease the challenge of line-drawing.

即便如此规定，但也很难帮助我们做到泾渭分明，这种事情也是时有发生。

The regulation had been challenged by drinks manufacturers and other industry groups.

该条令受到饮料生产商其他行业组织的挑战。

Every year you get different weather challenges.

每年你都会遇到不同的天气挑战。

You'll work harder and your results will last longer if you're challenged.

如果你遇到了挑战，你就会更加努力，你的成果也会留存更长的时间。

I'm the kind of person who needs new challenges to stay focused.

我是那种需要新挑战来保持专注的那类人。

And what has been the biggest challenge?

那么你们所遇到的最的挑战是什么呢？

But almost as soon as the book appeared in schools, it was challenged.

但几乎当这本书刚刚出现在课本中， 它就受到了质疑。

Now the monsoons pose a new challenge.

现在，季风带来了新的挑战。

Homesnakes chief executive officer added a challenge.

霍姆斯特克公司首席执行官补充了一个挑战。

I had met the challenges of solo travel in an extreme climate.

我面对了在极限气候下单枪匹马旅行的挑战。

We can and must do better. We've been challenged and changed by these accidents.

我们可以也必须做得更好。这些事故使我们遭到质疑并发生了改变。

But building the infrastructure is a challenge.

但基础设施建设仍然是摆在眼前的难题。

Inequality is the other great challenge to achieving sustainable urbanization.

社会不平等是可持续城市化的 另一个重挑战。