challengeing为形容词词性
例句
1、
There will be many difficult and challenging days ahead.
今后将会有很多艰苦和充满挑战性的日子。
2、
Mike found a challenging job as a computer programmer
迈克找到一份做计算机程序员的富有挑战性的工作。
3、
She does not like anyone challenging her authority.
她不喜欢任何人挑战她的权威。