comprehension

He has not the slightest comprehension of the subject. [=he does not understand the subject at all]他对这个题目一窍不通。

The students showed excellent reading/language comprehension.学生们表现出了出色的阅读/语言理解能力。

The war caused suffering beyond comprehension. [=suffering that is impossible to imagine]战争带来了难以想象的苦难。

mysteries that are beyond our comprehension [=mysteries that we cannot understand]不解之谜

I don't have a clear comprehension [=understanding] of how it works.我不太清楚它的工作原理。