defiance /diˈfaiəns/ n. ［c］&［u］1.挑战，挑衅：A defiance, once made, must be sustained.挑战一经作出，就必须坚持下去。They shouted defiance at the enemy.他们大声呼喊着向敌人挑战。2.蔑视；违抗：set…at defiance 蔑视，无视；与…对抗：If you set the law at defiance, you’ll be sent to prison. 如果你藐视法律，你将被投入监狱 in defiance of 无视；与…对抗：In defiance of the ceasefire, rebel troops are again firing on the capital.反叛军队无视停火协议又在向首都开火。
defiant /diˈfaiənt/ adj.挑战的，不服从的，蔑视的：be defiant of 蔑视 She was in defiant mood.她是在寻衅。Despite the criticisms, she remained defiant.尽管受到批评，她仍然目空一切。
