defy /diˈfai/ vt. 1.(公然)违抗，反抗：defy sb.’s strict rules 不受某人的约束；defy the law 犯法［考句］ As soon as the boy was able to earn his own living he defied his parents’ strict rules.这个男孩有能力养活自己就公然反抗父母的严格管束。 2.挑激： defy sb. to do sth. 激某人做某事 His opponent defied him to a fight. 他的敌人激他决斗。They defied him to jump off the bridge. 他们激他跳下桥去。3.使成为不可能：defy attempts at capture 攻击不下 The problem defined solution. 这问题无法解决。