challenge sb to do sth
常用于比赛或对决。
She challenged him to a game of chess.
她向他挑战下棋。
受到挑战的；有缺陷的（委婉语）
having a disability or disadvantage (euphemistic)
受到挑战的
v take exception to；v issue a challenge to；v ask for identification；v raise a formal objection in a court of law
The scientist challenged the validity of the previous study.
科学家对先前研究的有效性提出了质疑。
用法提示：challenged 是动词 challenge 的过去式，表示“质疑”或“提出异议”。
The young boxer challenged the world champion to a title match.
这位年轻的拳击手向世界冠军发起了冠军赛挑战。
用法提示：challenged 是动词 challenge 的过去式，表示“向……挑战”或“邀请比赛”。
The defense lawyer challenged the admissibility of the evidence.
辩护律师对证据的可采性提出了反对。
用法提示：challenged 是动词 challenge 的过去式，表示“反对”或“提出异议”，常用于法律语境。
常用于比赛或对决。
She challenged him to a game of chess.
她向他挑战下棋。
表示对某事的真实性或合法性提出质疑。
The lawyer challenged the evidence in court.
律师在法庭上质疑了证据。
多用于职位、头衔或奖牌的竞争。
Two candidates challenged the incumbent for the leadership.
两位候选人挑战现任者以争夺领导权。
grammar · medium
易错句子The problem is very challenged.
正确表达The problem is very challenging.
用 'challenged' 描述事物时，表示'受到挑战的'，通常指人；描述事物应用 'challenging' 表示'有挑战性的'。这里主语是问题，所以用 'challenging'。
grammar · medium
易错句子He is challenged with this task.
正确表达He is challenged by this task.
表示'被某事物挑战'时，介词常用 'by' 而非 'with'；'challenged by' 更自然地表达被动意义。
challenged 强调被动或完成，而 challenging 表示主动的困难性质
challenged 是动词过去式或形容词，而 challenge 作名词表示挑战本身
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