challenge to

She beat off a challenge to her leadership.

她战胜了对她的领导地位的挑战。

Telecommuting raises a challenge to the old style of working in office.

在家工作对传统的办公室工作提出了挑战.

It was a direct challenge to the president's authority.

这是对主席权威的直接质疑。

To overcome these obstacles has always been and continues to be a major challenge to aviation.

怎样克服这些障碍,过去经常是,而且现在仍然是航空界的重要难题.

Inevitably this produced a challenge to our previous predominance in our alliances.

这不可避免地形成了对我们从前在联盟中的支配地位的挑战.

The demonstrators have now made a direct challenge to the authority of the government.

示威者现在直接对政府的权威发出了质疑。

The crossing of this dangerous river was a challenge to most of us.

对我们大多数人来说,横渡这条充满危险的大河确实是个挑战.

to pose a threat/challenge/danger/risk

构成威胁 / 挑战 / 危险 / 风险

He has flung down a challenge to his political rivals.

他已向其政敌提出挑战.

The board also faces a legal challenge to its existence.

这个委员会的存在与否的问题也面临法律上的问题.

The opposition is/are mounting a strong challenge to our business.

对方正对我方企业逐渐形成强大的挑战。

They intended to challenge the legality of his claim in the courts.

他们打算在法庭上对他的要求的合法性提出质疑。

The image Sue projected was both a come-on and a challenge to every man in the club that night

那天晚上，苏摆出的样子对夜总会里所有的男人来说既是挑逗又是一种挑衅。

The image Sue projected was both a come-on and a challenge to every man in the club that night.

那天晚上，苏摆出的样子对夜总会里所有的男人来说既是挑逗又是一种挑衅。

He courageously and decisively confronted their challenge to his authority.

他勇敢而毅然决然地处置了他们对他的权威的挑战.

The arduous task is of great challenge to him.

这项艰巨的工作对他是个很大的挑战。

He accepted his friend's challenge to swim across the river.

他接受朋友的挑战要游到河对岸.

Wilson acted with customary boldness in this great challenge to his leadership.

威尔逊在这次对他领导的重大挑战中,以其惯有的大胆采取行动.

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。

He ignored the sentry's challenge to halt.

他不理睬哨兵喝令止步的盘问.

I accepted a challenge to a tennis match.

我接受了网球赛的挑战。

Exploring the outer space is a real challenge to mankind.

探索外层太空对人类是真正的挑战.

This high-quality face pack gives a proven challenge to wrinkles.

抗皱 防 皱面膜问世了,它向衰老,这一生命的现实宣告挑战.

We need to challenge some of the basic assumptions of Western philosophy.

我们有必要向西方哲学的某些基本假设提出质疑。

High resolution spaceborne SAR gives new challenge to radiometric calibration.

高分辨率星载SAR技术的发展,对辐射定标提出了新的挑战.

His challenge to Mrs Thatcher brought her down.

他的挑战导致了撒切尔夫人的下台。

The swimming team the challenge to and begins the fierce battle.

泳队的队员为了阻止惨剧延续,开始了壮烈的战斗.

I intend to challenge the legitimacy of his claim.

我打算对他声称的是否正确提出质疑。

The regional parliament threw down a new challenge to the central authorities by passing a law allowing private ownership of businesses

地方议会通过了一项法律，允许企业私有，这向中央政权发起了新的挑战。

Exploring outer space is a challenge to mankind.

探索外太空是一项向人类发出的挑战。