"The ambiguity that's in those answers is very,very difficult for humans to understand, never mind a computer to understand.

VOA: special.2011.02.28

He says,"There are many things in Paul's letters very difficult to understand. And some people twist them to their own destruction as they do other kinds of scripture."

他说“保罗的书信里有很多,难以理解之处，而有些人曲解它们,这是自取沉沦，正如他们对待其他圣典一样“

耶鲁公开课 - 新约课程节选

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

who, you know, have a very strong, difficult-to-understand accent, then they would say that

他们有很重的、难以听懂的口音，然后他们会说，

优雅的英式英语 - SpeakingMax英语口语达人

It's a very complicated situation because the kind of economic risks that we face are difficult for most people to understand.

一个很复杂的情况是,我们所面临的经济风险,很难被大众完全理解。

耶鲁公开课 - 金融市场课程节选