This is an ineffective method of controlling your dog.用这种方法控制你的狗不起作用。The new drug was ineffective.新药不起作用。The court is ineffective because it lacks the necessary enforcement machinery.法院效率低是因为缺乏必要的执行机制....
...the clumsy and ineffective mechanism of price controls.方法笨拙、效率低下的价格控制机制These verbs mean to make something ineffective by if by applying an opposite or counterbalancing force.这些动词是指通过使用相反的或制衡的力量使事物无效.Recently covenants...