Definition
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challenge
A challenge is a difficult task or situation that requires effort and determination to overcome.
挑战是一个需要努力和决心才能克服的困难任务或情况。
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Climbing the mountain presented a significant challenge for the team.
攀登这座山对团队来说是一个重大挑战。
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She accepted the challenge to run a marathon despite her busy schedule.
尽管日程繁忙,她还是接受了参加马拉松的挑战。
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The new project will be a challenge, but I believe we can succeed.
这个新项目将是一个挑战,但我相信我们可以成功。