adj.不会受伤害的,刀枪不入的,无懈可击
to be in an invulnerable position
立于不败之地
Many daughters assume that their mothers are invulnerable.
很多女儿都认为她们的母亲无比坚强。
The dangerous drivers are those who think they're invulnerable.
那些危险驾驶的人就是以为自己不会受伤.