让英语成为你挑战奥运的动力！

Make ENGLISH your Olympic Challenge!

youdao

我想让你挑战一下每天都来做点儿设计，每天花15到20分钟那些你平时用来上网闲逛的时间，用它们来做些设计。

I challenge you today to design something daily . Take fifteen to twenty minutes that you would normally use to surf the Web today and devote it to designing something.

youdao

你可以信赖他，他懂得应付挑战。

You can rely on him to respond to a challenge.

《牛津词典》

I think what part of Sustain Dialogue does and just being in community with people it also challenges you. -It does.

我觉得，“持续对话“所做的部分活动,和与你不同的人在一起交流,这很有挑战性，-的确。

普林斯顿公开课 - 人性课程节选

And so if you choose to elect the hacker edition of this week's problem set the challenge will be to figure out not only how to implement the game but how to implement a solver for the game.

因此，如果你选择这周的应用题目为升级版,那么你将面临的挑战,不仅是如何实现这个游戏，而且,要实现此游戏的解决方法。

哈佛公开课 - 计算机科学课程节选

So the challenge thing comes back to the instruction of designer: what are you for on this access?

这样，教育设计者,又重新面临着挑战：,你会支持这项技术吗？

麻省理工公开课 - 媒体、教育、市场课程节选