一本浮夸且难以理解的书。

A turgid and indigestible book.

这是个难以理解的旧世界。

It's a funny old world.

艺术小说变得越来越让人难以理解。

The art novel has grown increasingly involute.

把法律体制神秘化，让普通人感觉难以理解的律师。

Lawyers who mystify the legal system so that laymen find it unintelligible.

星期一让人难以理解。

Monday is hard to get a handle on.

它实在大到大脑难以理解。

It's just too big to wrap our brains around.

女孩子总是令人难以理解。

Girls are difficult to understand.

运气是唯一难以理解的东西。

Luck is a uniquely difficult thing to understand.

它们同时也是最难以理解的。

They are also among the most challenging to comprehend.

最后，测试结果可能难以理解。

Lastly, test results can be difficult to understand.