futility
[fju:'tiliti]
n. 无用；徒劳；无价值
参考例子
1.Since all life is futility, then the decision to exist must be the most irrational of all.
既然所有生命都是无所谓的，那么生存的决定必定是最毫无理性的。
2.Acquiring discernment of Great Tao, futility of utility defends the sense of things with great power, and displays the manner with which Zhuangzi confronted his time.
无用之用就是通，是对道的通达，它以伟大力量守护物的意义；同时，它显示了庄子与其时代的遭遇方式。
3.When I was still a rather precocious young man, I already realized most vividly the futility of the hopes and aspirations that most men pursue throughout their lives.
“当我还是一个相当早熟的男孩时，我就非常鲜明地认识到，大多数人毕生追逐的希望和远大的志向都是毫无意义的。”（爱因斯坦）
英文解释
n.
1.uselessness as a consequence of having no practical result
网络释义
futility
无益; 无意义，无聊; 无益，无效; 无益的事，无效果的行动;
About futility
有关徒劳无功;
futility cutoff
无价值修剪;
The Futility of Life
生命的无奈;
Extended Futility Pruning
延伸的无效路线裁剪;