关于挑战的英语作文？

For thousands of years, people have accepted challenges in different fields. There are not only physical challenges, but also social and intellectual(聪明的) challenges. Some people risk(冒…险) their lives in playing sports to see how well they can do. Others try to make and invent(发明) something to make life easier. They all enjoy challenges.

Why do people enjoy these challenges? There are probably many reasons. One is curiosity. The other is the personal feeling of success, of achievement, and nowadays, for some people, it is a business.

Today, we still have many challengers before us. Medical science faces the challenges of conquering many diseases which still attack human beings. Engineers and planners must build new cities, design and produce new kinds of transportation. Scientists must develop new forms of energy. In short, we live in an age of challenges.

挑战的英文单词？

challenge 挑战

美 /ˈtʃælɪndʒ/   英 /ˈtʃælɪndʒ/

词典释义：n.挑战；考验；怀疑；（警卫）叫停盘问；（陪审员对某人出庭表示的）反对；vt.向……挑战；考验……能力；对……质疑；盘问；(陪审员对某人出庭表示)反对。

复数 challenges

双语例句：

1.This tedious job will bring unpre -cedented challenges to your life.这份繁琐工作会给你的生活带来空前的挑战。

2.I'm going to take this challenge from a foreign athlete seriously.我要认真对待这次来自国外运动员的挑战。