adj.無效的；無用的

Pace considers attempts at timing futile. 貝斯認(rèn)為企圖控制時(shí)間是無效的。

We are the Borg, Earth assimilation is inevitable, Resistant is futile! 我們是博格，地球?qū)⒈煌挚故菬o效的！

It is futile to attempt to convince him that certain things are simply undoable. 使他相信某事情是完全不可為的是無用的嘗試。

Any unrealistic objective is not worth pursuing sedulously since it is doomed to a futile project. 任何不現(xiàn)實(shí)的目標(biāo)不值得去辛苦地追求因?yàn)樗⒍ㄊ菬o用的計(jì)劃。