单词aporia
n.: 不成立
网络: 绝境；难题；困惑
（理论或论据的）自相矛盾，不成立:
a situation in which two or more parts of a theory or argument do not agree, meaning that the theory or argument cannot be true
困惑
复数：aporias
Derrida"s later thoughts had an ethical turn. The concept of "aporia" is the theme discussed both ethically and philosophically.
德里达后期思想有一个伦理学转向，绝境的概念就是在伦理与哲学双重语境中来讨论的主题。
The concept is one of death, which, in the aporia of time, addresses how death composes the boundary of being or aporia.
绝境的概念也是一个死亡的概念，在时间的绝境中，死亡如何构成存在之界限或者绝境。
We are looking at a problem and trying to solve it and it seems there is a deadend, an " aporia " .
我们考虑一个问题并试图解决它的时候，似乎走进了死胡同，一个“难点”。
That is to say, aporia is directed to the boundary, without passage or step, displacement or substitution.
这就是说，绝境就是指向界线，没有通道、步伐、位移或替代。
I should mention before going any further, any further on, that I say aporia without knowing what it means.
余：应该事先注意到，在走得更远之前，我说疑难却又不知道这到底在说什么。
A NEW SUBSPECIES OF APORIA POTANINI ALPHERAKY FROM CHINA(LEPIDOPTERA, PIERIDAE)
中国灰姑娘绢粉蝶一新亚种（鳞翅目，粉蝶科）
Aporia of Assembling the Rotary Liftout Attachment in the Tailstock of NC Spinning Machine
数控旋压机尾座旋转顶出轴装配难点分析