We should dare to challenge ourselves

挑战───Challenge;敢于───dare to

Our challenge is to motivate those voters and inspire them to join our cause.───我们面临的挑战是如何调动那些选民的积极性并鼓励他们加入我们的事业。

It is a difficult task, but I'm sure he'll rise to the challenge.───这是个艰巨的任务, 不过我相信他能应付自如.

The captain of the guard looked as if he had a mind to challenge them.───警卫队长看上去似乎想向他们挑战。

The challenge for American leadership is this: Can we put our economic house in order?───美国领导层面临的挑战是：我们能否处理好自己的经济问题？

Bill was stimulated by the challenge.───比尔受到该挑战的激励。

I would challenge the, er, suggestion that we're in third place.───我不太同意，呃，我们位居第三的说法。

No one could challenge her supremacy in gymnastics.───她是最优秀的体操运动员,无人能胜过她.

The election of the new government was met by a challenge from its opponents.───新政府当选的合法性受到了反对派的挑战.

Never challenge a fool to do wrong.

I want to challenge,is naked game.

Liszt's piano music presents an enormous technical challenge.

We must meet the challenge squarely .

The college entrance examination is a real challenge.