adj.（东西）无效的；无益的；白费的；（人）无能的
用作形容词 (adj.) All rescue measures proved ineffectual.
所有抢救措施都证明无效。
Her hands were almost ineffectual.
她的手也几乎没有用。
She had felt at the same time that he was helpless and ineffectual.
同时她也看到了他的孤弱无能，无所作为。
The years of ineffectual service counts big in the bestowal of rewards.
几年徒劳无益的服务，在论功行赏时就大有关系。
They made some ifefnectual attempts to reform the law
他无法应付局面
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