Futile Odds希望渺茫
futile aim徒劳无益的目标
So Futile毫无意义
futile effort徒劳;白费心力
C futile徒劳的
demand futile申请无益
futile cycle[生化] 无效循环;效轮回
futile talk空谈
futile trip送货不被接受
ADJ（形容词） If you say that something is futile, you mean there is no point in doing it, usually because it has no chance of succeeding. (常因无成功的可能而) 无谓的
He brought his arm up in a futile attempt to ward off the blow.
他出于挡住这一击的无谓企图抬起了他的胳膊。