aporia

a.po.ri.a

n.（名词）
A figure of speech in which the speaker expresses or purports to be in doubt about a question.
窘迫，困惑：修辞方法，说话者表示或表明对问题存有疑问
An insoluble contradiction or paradox in a text`s meanings.
难题，难点：文章含义中难以解释的矛盾或自相矛盾的议题

来源：
Greek [difficulty of passing]
Greek [difficulty of passing]
from aporos [impassable]
from aporos [impassable]
a- [without] * see a-
a- [without] *参见 a-
poros [passage] * see per- 2
poros [passage] *参见 per- 2