challenge的形容词和副词

challenging adj. 挑战的；引起挑战性兴趣的；

challengingly adv. 刺激地；挑战性地；

例句

Giving a speech in front of your class can be challenging.

在你的班级面前演讲是具有挑战性的。

Building a home from scratch can be both exciting and challenging.

白手起家既激动人心又具有挑战性。

This is a book full of profound, original, and challenging insights.

这是一本充满高深、新颖且富有挑战性见解的书。

Try tennis, badminton or windsurfing. In short, anything challenging.

试试网球、羽毛球或帆板运动。简而言之，任何有挑战性的东西。

It can bebeautiful, butit is also going to be challengingly sad, since we have to separated from our belovedfriends, heading towards our different dreams.这假期是美好的，但也十分令人悲伤，因为我们将要告别最亲爱的朋友，各奔前程了。