单词：challenges
n a call to engage in a contest or fight
n questioning a statement and demanding an explanation
n a formal objection to the selection of a particular person as a juror
n a demand by a sentry for a password or identification
v take exception to
v issue a challenge to
v ask for identification
v raise a formal objection in a court of law
challenge的用法和样例：
例句
- The crossing of this dangerous river was a challenge to most of us.对我们大多数人来说,横渡这条充满危险的大河确实是个挑战。
- He accepted his friend's challenge to swim across the river.他接受朋友提出的挑战，游过这条河。
- We accepted their challenge to a baseball game.我们接受了他们棒球邀请的挑战。
- He ignored the sentry's challenge to halt.他不理睬哨兵喝令止步的盘问。
- Their legal challenge was unsuccessful.他们的法律质疑未获成功。
- Nowadays no one will challenge the fact that the earth is round.现在没有人会对地球是圆的这一事实提出异议。
- New competitors are emerging to challenge the old economic arrangements.新的竞争对手正在崛起，向旧的经济布局挑战。
- The sentry challenged the stranger at the gates.哨兵查问在门口的陌生人。
- I did not think he was right, so I challenged him.我认为他是不对的，因此向他提出质询。
常见句型
- Exploring outer space is a challenge to mankind.探索外太空是一项向人类发出的挑战。
- I accepted a challenge to a tennis match.我接受了网球赛的挑战。
- We should look upon the relative backwardness of our economy as a challenge to greater exertions.我们应该把我国经济的相对落后看成是要求我们做出更大努力的一种鞭策。
- A sentry gave the challenge,“Halt!Who goes there?”哨兵喝问:“站住!什么人?”
- He sent a challenge to run a race.他发出了赛跑比赛的挑战书。
- I did not think he was right, so I challenged him.我认为他是不对的,因此向他提出质疑。
- The job doesn't really challenge him.这项工作不能真正地考验他。
- When I tried to enter the building, the guard at the door challenged me.我试图进入大楼时,卫兵查问了我。
- I challenged him to a game of chess.我要求同他下盘棋。 1
- U.S. business today is challenged by aggressive overseas competitors.今天的美国商业受到咄咄逼人的外国竞争者的挑战。
- His claim to that piece of property is being challenged.有人就他对那份财产的声明提出异议。
- He was busy challenging for the leader of the club.他正忙于竞选争当俱乐部领导人。
- He challenged why I didn't get things ready before.他质问我为什么不早点准备。
- I challenge you to show your proof.我要求你拿出证据来。
- He challenged us to try again.他向我们挑战,要我们再试试。
词汇搭配
- accept a challenge应战
- face an challenge面临着挑战
- give a challenge挑战
- meet the challenge对付挑战
- pose challenges提出挑战
- refuse a challenge拒绝挑战
- send a challenge送挑战书
- loud challenge强烈的要求
- angry challenge愤怒的挑战
- direct challenge直接的挑战
- fierce challenge激烈的挑战
- public challenge公开的挑战
- sharp challenge尖锐的挑战
- beyond challenge无与伦比
- letter of challenge挑战书
- under challenge of处于…局面
- with challenge挑衅
- challenge of life生活的挑战
- challenge to a duel决斗的挑战
- challenge to jurors要求陪审员回避
- challenge to mankind对人类的挑战
- challenge to the world向世界挑战
- challenge a theory对某理论提出异议
- challenge understanding需要认识
- challenge sb for lying因某人说谎而质问
- challenge sb to battle挑起战争
- challenge sb to fight向某人挑战
经典引文
My challenge to any of the great leaders of the Christian churches..to come and debate the question of religion and free thought.
出自：R. LyndThe tremendous challenge of his post, and the problems he faced.
出自：D. AchesonThe Martyrs' Memorial..an occasional challenge to the climbing skills of students.
出自：E. LongfordTo be challenged of unkindness.
出自：P. Sidney
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