inefficiency

详细解释:n. 无效率, 无能
【化】 效率低; 效率差
【经】 无效, 无能, 效能差

词型变化：

名词复数:inefficiencies

英语解释：

名词 inefficiency:

unskillfulness resulting from a lack of efficiency

例句：

In his speech he kept pounding away at his opponent's inefficiency.他在演说中不断攻击他的对手不称职。