不了解

I do not know what is in the heads of the youth.

我不了解这些年轻人的脑子里想的是什么。

I have no idea what is going on in these young people's heads.

我不了解这些年轻人的脑子里想的是什么。

I don't know what's going on these young people's heads.

我不了解这些年轻人的脑子里想的是什么。

I don't understand what's going on insidethese young people's heads.

我不了解这些年轻人的脑子里想的是什么。

I don't know what are the young people thinking about in their heads.

我不了解这些年轻人的脑子里想的是什么。

I don't understand what's going on inside with these young people's heads.

我不了解这些年轻人的脑子里想的是什么。

I do not understand what's going on inside those young people's heads.

我不了解这些年轻人的脑子里想的是什么。

Hearn, you don't appreciate the issues involved.

候恩，这里边涉及的一些问题你不了解。

This certainty of the morrow gave zest and enthusiasm to life, and the County people enjoyed life with a heartiness that Ellen could never understand.

对于未来的这种绝对把握使生活充满了激情和热望，而县里的人都在以一种爱伦所不了解的全心全意的态度享受着这种生活。

If I didn't know you I might think you were heartless !

要是我不了解你，我会认为你是一个没有心肺的人。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。