n.无效率；无能
The inefficiency of one department can bring a whole industry into disrepute. 只要有一个部门的效率不高，就会使整个行业的名声受到影响。
The manager was discharged for inefficiency. 经理因无能而被解雇。
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。
