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。

The story was completely untrue and was successfully challenged in court.

此案情纯属捏造，已在法庭上被揭穿。

She does not like anyone challenging her authority.

她不喜欢任何人挑战她的权威。

This discovery challenges traditional beliefs.

这项发现是对传统信念的冲击。

Mike challenged me to a game of chess.

迈克硬逼着要和我下一盘棋。

The opposition leader challenged the prime minister to call an election.

反对党领袖要求首相宣布进行大选。

The job doesn't really challenge her.

这项工作不能真正考验出她的能力。

We were challenged by police at the border.

我们在边境受到警察盘问。

Their legal challenge was unsuccessful.

他们的法律质疑未获成功。

to mount a challenge

发起挑战

It was a direct challenge to the president's authority.

这是对主席权威的直接质疑。

an exciting'/interesting challenge

令人激动的 / 令人感兴趣的挑战

The role will be the biggest challenge of his acting career.

扮演这个角色将是他演艺生涯中最大的挑战。

to face a challenge (= to have to deal with one)

面临挑战

Destruction of the environment is one of the most serious challenges we face.

环境的破坏是我们所面临的最严峻的挑战之一。

Schools must meet the challenge of new technology (= deal with it successfully) .

学校必须迎接新技术的挑战。

to accept'/take up a challenge

接受挑战

The men apparently opened fire after they were challenged by a patrol.

显然，那些人是在受到一支巡逻队的盘问后开的火。

The new government's first challenge is the economy.

新政府面临的第一个难题是经济问题。

The new Germany must rise to the challenge of its enhanced responsibilities...

一个崭新的德国必须迎接挑战，承担更多的责任。

They rose to the challenge of entertaining 80 schoolchildren for an afternoon.

他们一个下午成功接待了80名学童。

The demonstrators have now made a direct challenge to the authority of the government.

示威者现在直接对政府的权威发出了质疑。

Democratic leaders have challenged the president to sign the bill...

民主党领袖对总统签署这项法案提出了质疑。

The move was immediately challenged by two of the republics...

此项动议立即遭到其中两个共和国的反对。

A mum slashed a neighbour's car tyre and challenged her to a fight after their daughters fell out...

两家的女儿吵起来后，一个妈妈划破了邻居的车胎，说要和她较量较量。

He left a note at the scene of the crime, challenging detectives to catch him...

他在犯罪现场留了个条儿，向警探挑衅。

I like a big challenge and they don't come much bigger than this...

我喜欢大的挑战，而所有挑战中再没有比这更大的了。

It is important to challenge society's preconceptions about disabled people.

质疑社会对残疾人的成见极为重要.

The veriest coward would accept the challenge.

就是那最懦弱的胆小鬼也会接受这种挑战.

1. Exploring outer space is a challenge to mankind.
   探索外太空是一项向人类发出的挑战。
2. I accepted a challenge to a tennis match.
   我接受了网球赛的挑战。
3. 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。
4. A sentry gave the challenge,“Halt!Who goes there?”
   哨兵喝问:“站住!什么人?”
5. He sent a challenge to run a race.
   他发出了赛跑比赛的挑战书。

用作及物动词S+～+ n./pron.

1. 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。
2. The job doesn't really challenge him.
   这项工作不能真正地考验他。
3. 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。
4. I challenged him to a game of chess.
   我要求同他下盘棋。
1
5. 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。
6. 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。
7. He was busy challenging for the leader of the club.
   他正忙于竞选争当俱乐部领导人。

S+～+wh-clause

1. He challenged why I didn't get things ready before.
   他质问我为什么不早点准备。

用作宾补动词S+～+ n./pron. +to- v

1. I challenge you to show your proof.
   我要求你拿出证据来。
2. He challenged us to try again.
   他向我们挑战,要我们再试试。

动词+～

• challenge">accept a challenge应战
• challenge">face an challenge面临着挑战
• challenge">give a challenge挑战
• challenge">meet the challenge对付挑战
• challenges">pose challenges提出挑战
• challenge">refuse a challenge拒绝挑战
• challenge">send a challenge送挑战书

形容词+～

• challenge">loud challenge强烈的要求
• challenge">angry challenge愤怒的挑战
• challenge">direct challenge直接的挑战
• challenge">fierce challenge激烈的挑战
• challenge">public challenge公开的挑战
• challenge">sharp challenge尖锐的挑战

介词+～

• challenge">beyond challenge无与伦比
• challenge">letter of challenge挑战书
• challenge%20of">under challenge of处于…局面
• challenge">with challenge挑衅

～+介词

• challenge%20of%20life">challenge of life生活的挑战
• challenge%20to%20a%20duel">challenge to a duel决斗的挑战
• challenge%20to%20jurors">challenge to jurors要求陪审员回避
• challenge%20to%20mankind">challenge to mankind对人类的挑战
• challenge%20to%20the%20world">challenge to the world向世界挑战

～+名词

• challenge%20a%20theory">challenge a theory对某理论提出异议
• challenge%20understanding">challenge understanding需要认识

～+介词

• challenge%20sb%20for%20lying">challenge sb for lying因某人说谎而质问
• challenge%20sb%20to%20battle">challenge sb to battle挑起战争
• challenge%20sb%20to%20fight">challenge sb to fight向某人挑战

• 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. Lynd

• The tremendous challenge of his post, and the problems he faced.

  出自：D. Acheson

• The Martyrs' Memorial..an occasional challenge to the climbing skills of students.

  出自：E. Longford

• To be challenged of unkindness.

  出自：P. Sidney