Over the next three days, you will come to put your bravery to the test, your skills as warriors and, of course, challenge the reigning champion, my son, Prince Arthur.

在接下来的三天里，你们的英勇将得到考验，以及你们的战斗技术。 当然，你们将要挑战现任冠军，我的儿子，亚瑟王子。

youdao

He describes how he became a mathematician, and talks about the challenge of interesting his nine-year-old son in the beauties of mathematics.

他讲述了他是如何成为一个数学家的，也谈到激发他九岁儿子对数学中的美的兴趣时遇到的挑战。

youdao

I don't know if that's your story, but if it is, I would challenge you and your husband to consider what is best for your son.

我不知道你们的情况是不是这样，如果也是这样，我劝你和你丈夫能够考虑一下孩子。

youdao

The son of the founder faces a challenge in Hyundai Motor unlike anything he has encountered before.

CNN: A NOVICE AT THE WHEEL

Before the headline-grabbing school prayer battle, which began as a shoot-from-the-hip challenge to her older son's Baltimore public junior high school, O'Hair had no assets of her own to speak of.

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Randy Loughner said his son became increasingly difficult, and it was a challenge to have a rational conversation with him.

NPR: Major Findings In Records About Giffords Shooting