Schools must meet the challenge of new technology.
學校必須迎接新技術的挑戰。
The company faces major challenges over the course of the next few years.
這家公司今后幾年將面臨重大的挑戰。
It was a direct challenge to the president's authority.
這是對主席權威的直接質疑。
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。