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    首页/CEFR/C2/Vocabulary/US/challenge ·noun/challenge ·noun (DISAGREEMENT)

他大胆的声明是对总统权威的挑战。

His bold statement was a ___challenge to the authority of the President.

杰克显得孩子气的唯一一次是当他挑战拉尔夫领导权的尝试失败后,他羞愧地哭了。

The one occasion in which Jack seems childish is when his ___challenge to Ralph's leadership fails and he weeps with humiliation.

她的诉讼对公司的政策构成了重大挑战。

Her lawsuit posed a significant ___challenge to the company's policies.

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