challenge
美[ˈtʃæləndʒ] vt.质疑；向…挑战
vi.提出挑战，要求竞赛（或竞争）；驳斥
网络挑战；叫板；挑战赛；擂台
challenges challenged challenged challenging challenges
派生词: challengeable challenger challengingly
1 . They rose to the challenge of entertaining 80 school-children for an afternoon.
他们一个下午成功接待了80名学童。
来自柯林斯例句
2 . Online gaming allows players from around the world to challenge each other.
网络游戏使得全球的玩家可以相互较量。
来自柯林斯例句
3 . This challenge will occupy Europe for a generation or more.
这将是欧洲在未来二三十年或者更长的时间里所要面临的挑战。
来自柯林斯例句
4 . The new Germany must rise to the challenge of its enhanced responsibilities.
一个崭新的德国必须迎接挑战，承担更多的责任。
来自柯林斯例句
5 . He said he's game for a similar challenge next year.
他说他明年还愿意接受类似的挑战。
来自柯林斯例句
1.a demanding or stimulating situation;
they reacted irrationally to the challenge of Russian power
2.a call to engage in a contest or fight
3.questioning a statement and demanding an explanation;
his challenge of the assumption that Japan is still our enemy
4.a formal objection to the selection of a particular person as a juror
5.a demand by a sentry for a password or identification
1.take exception to;
She challenged his claims
2.issue a challenge to;
Fischer challenged Spassky to a match
3.ask for identification;
The illegal immigrant was challenged by the border guard
4.raise a formal objection in a court of law