challenge

释义

n. 挑战, 盘问\nvt. 向...挑战, 要求, 怀疑\nvi. 挑战, 对(证据等)表示异议 meet the challenge 迎接挑战；满足要求 rise to the challenge 接受挑战，奋起应付挑战 take up the challenge 应战

例句

They threw down the challenge that he couldn’t wash 40 cars in one hour (= invited him to try to do it ) .

他们激将他，说他不可能在1小时内擦洗40辆汽车。