The challenge for American leadership is this: Can we put our economic house in order?

The greatest challenge for the Americans is understanding the mindset of Eastern Europeans.

对于美国人来说，最大的挑战在于理解东欧人的思维方式。

I had a feeling that the challenge appealed to him. All he needed was a nudge.

我感觉这个挑战对他颇具吸引力，他所需要的就是一点推动。

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。

The planned general strike represents an important economic challenge to the government.

这场有计划的总罢工是政府面临的一个重大经济挑战。

Government ministers have been responding to the challenge thrown down by their former colleague.

政府部长们一直在应对从前的同事的公然挑战。

I like a big challenge and they don't come much bigger than this.

我喜欢大的挑战，而所有挑战中再没有比这更大的了。

It is an enormous challenge but we hope to meet it within a year or 18 months.

这是一个巨大的挑战，但是我们希望在1年或18个月之内能够战胜它。

A third presidential candidate emerged to mount a serious challenge and throw the campaign wide open.

第三位总统候选人的杀出对前两位构成了严峻挑战，并使得选举形势扑朔迷离。

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。

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.

He had met the challenge and triumphed.

他迎接挑战并取得了胜利.

She looked at me with challenge.

她带着挑战的目光看着我.

My preference is that we ( should ) challenge the other groups to a friendly competition.

我喜欢向别的组挑战,来一个友谊竞赛.

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 challenge today is not merely to improve the material standards of living.

今天的要求不仅在于改进物质生活的标准.

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.

They appeared in court not to raise defences , but to challenge the court jurisdiction.

他们来法院不是应诉, 而是抗辩.

The job doesn't really challenge him.

这项工作不能真正地考验他.

It is important to challenge society's preconceptions about disabled people.

质疑社会对残疾人的成见极为重要.

It was a challenge, keeping ten boisterous seven-year-olds amused.

要逗着十个好动的七岁孩子玩真是一种挑战。