罔: [书面语]Ⅰ动词(蒙蔽) deceive; hoodwink 短语和例子欺罔 cheat; deceive; 欺天罔人 deceive god and manⅡ副词(没有; 无) no; not 短语和例子罔见 fail to see; 罔效 without results; 置若罔闻 take no heed of; turn a deaf ear to
药石罔效: can't be cured by medicine; all medical treatment has failed.; all medicines have failed to effect a cure.; all medicines were tried and found useless.; be past treatment; even medicine fa