challeng的形容詞是什么？

　　Mike found a challenging job as a computer programmer

　　邁克找到一份做計算機程序員的富有挑戰性的工作。

　　She does not like anyone challenging her authority.

　　她不喜歡任何人挑戰她的權威。

　　Building a home from scratch can be both exciting and challenging

　　建立一個全新的家庭既讓人興奮又富于挑戰。

　　I'm ready to do all those things which are more challenging.

　　我愿意接受更大的挑戰。

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

　　這本書充滿了深刻、新穎、令人深思的見解。