我发现她说的中国方言非常难懂。

She speaks a dialect of Chinese that I find very hard to understand.

youdao

我发现她说的中国方言非常难懂。

She speaks a south dialect of Chinese that I find very hard to understand.

youdao

爱因斯坦的相对论非常难懂。

Einstein's theory of relativity is very abstruse.

youdao

Milton's similes are notoriously difficult as you no doubt have already experienced.

弥尔顿的明喻众人皆知的,非常难懂，正如你们已经领教过的。

耶鲁公开课 - 弥尔顿课程节选

and that's often very difficult to understand, just like Birmingham as well.

非常难懂，这也像伯明翰一样。

方言口音很重 - SpeakingMax英语口语达人

And even though the syntax, the characters you are about to see on the screen and in programs today onward is a little more arcane, it's a little uglier looking, you've got semicolons and parentheses and fairly arcane syntax, realize that at the end of the day these are just arbitrary human conventions, the ideas are identical to this thing here.

可能你在屏幕上，编程中见识到的,语法，字符看起来非常晦涩难懂,甚至可以说是丑陋，像什么分号啊,括号啊等等，还有一些难七八糟的语法，但是到了最后，你会发现,这些都不过是一些人为约定而已，而蕴含在里面的编程思想跟这个例子并无二致。

哈佛公开课 - 计算机科学课程节选