n.无；零
adj.无用的
His crime has gained him naught. 他既犯了罪又一无所获。
I hope that all your effort will not go for naught. 我希望你的努力不会毫无结果。
His efforts were brought to naught when the war broke out. 战争爆发，使他的一切努力付诸东流。
All our victories are set at naught if we lose sight of our principles. 如果我们忘记原则，所有的胜利都等于零。
用作形容词 (adj.)Without judicial review, statutory limits would be naught but empty words. 没有司法审查，法定权限将只是一句空话。
