She beat off a challenge to her leadership.
她战胜了对她的领导地位的挑战。
The chairwoman is up against the greatest challenge to her position.
女主席面临她职位的最大挑战。
Another challenge to language survival is television.
电视是语言存活下来的另一个挑战。
On March 12, 1829, Oxford sent a challenge to Cambridge first.
1829年3月12日，牛津首先向剑桥发出挑战。
You might also design an adventure challenge to train young volunteers.
你也可以设计一个冒险挑战来训练年轻的志愿者。
The challenge to Internet advertisers is to create ads that audience members remember.
互联网广告商面临的挑战是，如何制作出让观众印象深刻的广告。
In a recent study, Stephen Saunders Webb has presented a formidable challenge to this view.
在最近的一项研究中，斯蒂芬·桑德斯·韦伯对这一观点提出了严峻的挑战。
As yet a challenge to explain the cause-and-effect relationship between sleep and nutrition, there may be a third factor that impacts both of them.
要解释睡眠和营养之间的因果关系，还有一个挑战，那就是可能有第三个因素对它们两者都有影响。
It's as yet a challenge to explain the cause-and-effect relationship between sleep and nutrition. There may be a third factor that impacts both of them.
迄今为止，解释睡眠和营养间的因果关系仍是一个挑战。可能存在第三个因素影响这两者。
I think it is a great challenge to learn the language well.
我认为学好语言是一个很大的挑战。
Severn's questions were a challenge to the world's leaders—questions about why the grown-ups who run the world don't take more care of it and of the people who live in it.
珊文提出的问题是对世界领导人们的一个挑战——为什么掌管世界的成年人不更加关心世界和生活在世界上的人们。
John found it a challenge to satisfy the boss.
约翰觉得让老板满意是一个挑战。
McDonald's started selling better coffee as a challenge to Starbucks.
麦当劳开始销售更好的咖啡来挑战星巴克。
And then kind of a challenge to people.
对人们来说会是个挑战。
It is a big challenge to get a consensus.
达成共识是很大的挑战。
So here's the challenge to lovers of the language.
如下对于语言爱好者来说可是一个挑战。
But this could pose a challenge to social stability.
但是这会给社会安定带来挑战。
Speaking in public is a challenge to a lot of people.
对许多人来说，公众演讲是一大挑战。
So here, with humility, is my challenge to the Valley.
这里，令人羞愧的是，硅谷给我的挑战。
All this poses a challenge to the conscience of mankind.
这是对人类良知的挑战。
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。
Food prices pose a serious challenge to society at large.
全社会面临这食品价格的严峻挑战。
The challenge to Microsoft is implicit, yet also direct.
这带给微软的挑战是毫无疑问的，也是直接的。
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。
It is not the only challenge to US superiority in the region.
这款战机的出现，不是对该地区美国拥有的优势发出的唯一挑战。
That is a fundamental conceptual challenge to them, and also to us.
对他们来说，这是概念上的一次巨大挑战，对我们也是如此。
That is a fundamental conceptual challenge to them, and also to us.
对他们来说，这是概念上的一次巨大挑战，对我们也是如此。
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