英 [ˈtʃælɪndʒ] 美 [ˈtʃælɪndʒ]
n. 挑战，难题；挑战书，比赛邀请；质疑，质询；喝停盘查
v. 挑战，向……下战书；质疑，拒绝接受；盘问，查问；考验
复数challenges
第三人称单数challenges
现在分词challenging
过去式challenged
过去分词challenged
challenge /ˈtʃælɪndʒ/ CET4 TEM4 [ challenging challenged challenges ]
有变体名词 A challenge is something new and difficult which requires great effort and determination. 挑战
The new government's first challenge is the economy.
新政府面临的第一项挑战是经济。
有变体名词 A challenge to something is a questioning of its truth or value. A challenge to someone is a questioning of their authority. 质疑
The demonstrators have now made a direct challenge to the authority of the government.
示威者现已对该政府的权威性提出了直截了当的质疑。
习语 If someone rises to the challenge, they act in response to a difficult situation which is new to them and are successful. 奋起应对挑战
The new Germany must rise to the challenge of its enhanced responsibilities.
新德国必须奋起应对更艰巨的挑战。
及物动词 If you challenge ideas or people, you question their truth, value, or authority. 质疑
Democratic leaders have challenged the president to sign the bill.
民主党领导人对总统签署这项法案存有质疑。
The move was immediately challenged by two of the republics.
这项提案立即遭到了这两个共和国的质疑。
及物动词 If you challenge someone, you invite them to fight or compete with you in some way. 向…发出挑战
Marsyas thought he could play the flute better than Apollo and challenged the god to a contest.
玛息阿觉得他长笛吹得比阿波罗好，便向这位神发出挑战。
He left a note at the scene of the crime, challenging detectives to catch him.
他在作案现场留了一张纸条，挑衅侦探们去抓他。
可数名词 Challenge is also a noun. 挑战
A third presidential candidate emerged to mount a serious challenge and throw the campaign wide open.
第3位总统候选人上场郑重发出挑战，令这次竞选充满悬念。
→see alsochallenging
a demanding or stimulating situation
they reacted irrationally to the challenge of Russian power
a call to engage in a contest or fight
questioning a statement and demanding an explanation
his challenge of the assumption that Japan is still our enemy
a formal objection to the selection of a particular person as a juror
a demand by a sentry for a password or identification
issue a challenge to
Fischer challenged Spassky to a match
ask for identification
The illegal immigrant was challenged by the border guard
raise a formal objection in a court of law
同义词： take exception
挑战-引用次数：5238
These features challenge the pricing of information goods.
信息产品的这些特性给其定价提出了挑战。
参考来源信息产品的定价研究
挑战-引用次数：1734
These changes make policy banks face a new challenge.
这些改变,使政策性银行面临着新的挑战。
参考来源我国政策性银行立法研究
(对陪审员的出庭等提出的)反对
对陪审员的合法性表示反对：
攻毒-引用次数：50
None I-Il antibody were detected in the control or fowlpox virus immunized chickens before or after immunization or challenge.
对照组鸡免疫和攻毒前后无HI抗体检出。
质疑-引用次数：19
It studies the most important characteristic of the postmodern-the challenge to totalizing and universalizing truths.
首先揭示后现代最基本的特征―对无所不包，无所不适的真理的质疑。
参考来源论品钦《葡萄园》中对元话语的怀疑
激发-引用次数：65
The control mice received saline injection and intranasal challenge instead of the OVA solution.
对照组因每组致敏、激发时间采用生理盐水进行致敏和激发。
攻击
向…查问口令；盘问：
叫板
挑战
叙事（Narrative）：通过精心设计的故事线来愉悦玩家。挑战（Challenge）：通过设置障碍物，挑战玩家。伙伴（Fellowship）：设计需要合作，互动的社交框架。
... 假帐accountingfraud 叫板challenge;pickaquarrel 矫情uselamearguments ...
这个中国联通乒乓球挑战赛(Challenge)是由中国联通主办的一个全民参与的乒乓球比赛，凡是中国联通的用户，只要感兴趣，都可以报名参加。
惋惜的是那个擂台(Challenge)是哄人的，当你用烦恼心来面对事物时，你会觉得一切都是业障，世界也会变得丑陋可恨。赖了我300多奖金
challenging 挑战的；引起挑战性兴趣的
challengeable 挑战性的
challenger 挑战者
challenging 要求；质疑；反对；向…挑战；盘问（challenge的ing形式）
Bill was stimulated by the challenge.
比尔受到该挑战的激励。
She beat off a challenge to her leadership.
她战胜了对她的领导地位的挑战。
I hope that he proves equal to the challenge.
我希望他最后能应付这一挑战。
So the first challenge is, how do we reach all the women who do not have access to a prevention program?"
VOA : special.2009.07.29
Realize that there's an inevitably challenge for us and actually helping people in this kind of context, especially as the deadline really approaches.
这对我们来说是一个不可避免的挑战,需要在这种环境下帮助人们，特别是当最后期限要接近了。
计算机科学课程节选 : 哈佛公开课
So I think that it's true that the economy is difficult and there is big challenge in front of us.
所以我觉得，目前的经济形势真的很困难，我们面临着很大的挑战。
SpeakingMax英语口语达人 : 事业就是挑战
The American Le Mans Series became the first racing event to use the protocols in its Green Challenge competition.
VOA : special.2009.11.03
Ten children ages eight to fourteen were in New York recently for the finals of this year's Discovery/3M Young Scientist Challenge.
VOA : special.2009.10.15
The challenge is, the more people that are working overnight, the more support services you need.
Listen to The Documentary: Egypt's Challenge on Tuesday 21 May on the BBC World Service.
After all, proving the death or injury of one person is enough of a challenge.