It is very difficult to understand the subtle economics of drug pricing.

药品定价的经济学原理是难理的。

Sometimes it's hard to explain why some men suddenly do the things they do.

人们那些突如其来的行为有时候是难理的。

Sometimes it is difficult to explain why some men suddenly do the things they do.

有时候，人们那些突如其来的行为是难理的。

In American English, the saying a hard nut to crack means something hard to understand.

在美式英语中，a hard nut to crack意思是难理的事情。

The thing that makes this word so hard is the Flap-schwa-Dark L ending.

使这词如此难理的是 Flap-schwa-Dark L 结尾。

That can make it hard for those not directly involved to understand the gravity of individual cases.

这使得那些没有直接参与的人难理别案件的严重性。

You guys have noticed: 'vulnerable' is a pretty tough word.

你们已经注意到：“易受伤害”是一非常难理的词。

These questions can make it hard to fathom downgrading.

这些问题会让你难理降级的做法。

Uh, it's, I find it difficult to understand what I listen to if I don't read it.

如果不去读，难理所听的内容。

If you combine this with an accent that the audience isn't used to, your audience will struggle to understand you.

如果同时你还有一种听众们不太习惯的口音，那么你的听众会难理你的演讲。

Look, I know this is hard to understand, but my family, we were raised with this.

知道这难理，但的家族，们从小被灌输了这样的思想。

WHETHER IN SPORTS or politics, it's hard to understand the precise nature of momentum.

— 无论是在体育界还是政治界，都难理势头的确切性质。

You know, even for adults, it can be hard to grasp all the ins and outs.

你知道， 即使是成年人，也难理所有的细节。

And the more different an animal is from us, the harder it is to understand their experience.

动物与们的差异越大，越难理它们的经历。

In this episode, I'm going to first talk about why it's so hard to understand native speakers when they speak fast.

在这节课中，将首先谈谈为什么母语人士说得快时难理他们的意思。

I want to acknowledge even before we start that Kant is a difficult thinker but it's important to try to figure out what he's saying.

开始上课之前必须先承认康德是位难理的思想家，但理他的思想非常重要。

It's not that hard a concept. The left one's on the right, and the right one's on the left; that's all.

没这么难理吧，左边的长右边了，右边的长左边了，是这样。

If you scored 11 to 20 points, you struggle to make sense of your feelings and find them too overwhelming to deal with.

如果你得了11—20分，你难理自己的感觉，觉得它们太难以应对。

The other looked at him with an air of bewilderment, as though he found a difficulty in understanding what Kesselbach meant.

另一人用困惑的神情看着他， 好像他难理凯塞尔巴赫的意思。

Something that is " uncanny" is something that is very difficult to explain or understand, something that is very unusual or not common.

“不可思议” 的东西是难释或理的东西， 是非常不寻常或不常见的东西。