challenge1/ˋtʃælIndʒ; ˈtʃæləndʒ or ˈtʃælIndʒ/n 1 [C,U] something that tests your skill or ability, especially in a way that is interesting 挑战﹐具有挑战性的事物: +of I enjoy the challenge of a new job. 我喜欢新工作的挑战。Together we can meet (=deal with) this challenge . 团结一致我们就能够应付这个挑战。He still faces tremendous challenges . 他仍然面临巨大的挑战。The strike posed a (=was a) serious challenge to the government. 此次罢工对政府构成严峻的挑战。2 [C] a situation in which other people want to take the power or the top position away from someone else〔对他人的权力或地位的〕挑战: +to The crisis resulted in a challenge to his leadership. 这场危机使他的领导地位受到了挑战。+for the challenge for the Championship 挑战冠军宝座3 [C] an invitation from someone to try to beat them in a fight, game, argument etc 挑战﹔邀请比赛: +to The club accepted the challenge to compete. 这家俱乐部接受挑战﹐参加比赛。He looked at her as if throwing down a challenge . 他挑衅似地看着她。
challenge2v [T] 1 to refuse to accept that something is right, fair, or legal 质疑〔某事的正确性﹑公平性或合法性〕: She is challenging the court's decision . 她要对法庭的判决提出上诉。2 to invite someone to compete or fight against you 向〔某人〕挑战﹐邀请〔某人〕比赛: challenge sb to sth I’ve challenged Mike to a game of tennis. 我邀请迈克进行一场网球比赛。