n.無效率；無能

The inefficiency of one department can bring a whole industry into disrepute. 只要有一個(gè)部門的效率不高，就會(huì)使整個(gè)行業(yè)的名聲受到影響。

The manager was discharged for inefficiency. 經(jīng)理因無能而被解雇。

In his speech he kept pounding away at his opponent's inefficiency. 他在演說中不斷攻擊他的對(duì)手不稱職。