新德国必须奋起应对更艰巨的挑战。

The new Germany must rise to the challenge of its enhanced responsibilities.

《柯林斯英汉双解大词典》

她战胜了对她的领导地位的挑战。

She beat off a challenge to her leadership.

《牛津词典》

这家公司今后几年将面临重大的挑战。

The company faces major challenges over the course of the next few years.

《牛津词典》

What are some of the particular opportunities and challenges of being a Muslim chaplain in America on a secular university campus?

美国大学中的穆斯林教士,一般都会遇到一些,什么样的机会和挑战呢？

普林斯顿公开课 - 人性课程节选

So I think that it's true that the economy is difficult and there is big challenge in front of us.

所以我觉得，目前的经济形势真的很困难，我们面临着很大的挑战。

事业就是挑战 - SpeakingMax英语口语达人

Science is very hostile to innovation when it challenges existing theory, sort of like management, the same thing.

科学对创新是有敌意的,当创新在挑战已存在的理论，跟管理一样，同样的道理。

麻省理工公开课 - 固态化学导论课程节选