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

药品定价的经济学原是的。

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

人那些突如其来的行为有时候是的。

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

有时候，人那些突如其来的行为是的。

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意思是的事情。

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

使这个词如此的是 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个别案件的严重性。

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

已经注意到：“易受伤害”是一个非常的词。

These questions can make it hard to fathom downgrading.

这些问题会让降级的做法。

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

如果我不去读，我就我所听的内容。

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

如果同时还有一种听众不太习惯的口，那么的听众会的演讲。

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

我知道这，但我的家族，我从小就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，都势头的确切性质。

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

知道， 即使是成年人，也所有的细节。

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

动物与我的差异越大，就越它的经历。

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，我将首先谈谈为什么母语人士说得快时他的意思。

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.

开始上课之前我必须先承认康德是位的思想家，但他的思想非常重要。

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.

没这么吧，左边的长右边了，右边的长左边了，就是这样。

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

如果得了11—20分，就自己的感觉，觉得它太以应对。

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

另一个人用困惑的神情看着他， 好像他凯塞尔巴赫的意思。

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” 的东西是释或的东西， 是非常不寻常或不常见的东西。