I challenge you to take it a step further: stop hiding behind foggy ideas and get our and take a stand.

我向你挑战去做更深入的行动：停止在朦胧的观点然后起来坚持自己的立场。

youdao

Making it a reality is the challenge confronting us all, and I want to assure you that we will do all that we can to play our part.

实现这个目标是我们大家共同面临的挑战，我向各位保证我们将尽量发挥我们的作用。

youdao

If I am not free to challenge our relationship; nor am I free to challenge and confront you.

如果我的价值和我的生存过于依赖于你，那我就没有自由来审视我们之间的关系；也就没有审视和反驳你的自由。

youdao

And then we hand you 140,000 English words in the form of a big text file much like our aspiring pre-med students in recent months, and we challenge you to implement the fastest spellchecker possible.

然后我给你一个包含1万4千单词的超大文本,就跟前段时间那位,有抱负的医学预科班的学生一样,我想让你在最短时间内实现拼音检查。

哈佛公开课 - 计算机科学课程节选

To tolerate Socrates would be to say to him that we care little for our way of life and that we are willing to let you challenge it and impugn it every day.

若是容忍苏格拉底,就像在对他说,我们不是很在意我们的生活方式,我们愿意让你提出挑战并日日进行抨击。

耶鲁公开课 - 政治哲学导论课程节选

So this is our challenge to you telephobes: Use your phone three times this next week.

CNN: A call to pick up the phone

But the topic I came to discuss with you today, the challenge posed by nuclear weapons, continues to demand our urgent attention.

WHITEHOUSE: VP Biden: The Path to Nuclear Security

Gloves raised high in the air, the firm continues to issue a challenge to the rest of the industry: drive forward if you can, try to match our momentum.

FORBES: The Industry Reels From Apple's Windmill