不了解

Mr Clarke had accused him of being "old-fashioned, patronising, and out of time".

对此，查尔斯·克拉克反驳说：&老实说，我认为他非常守旧，脱离时代。他不了解英国教育体制目前的状况。&

They did not understand percentages well enough.

他们不了解那些百分比的真正含义。

But, I'm not so familiar with large venues.

但是，我对大型的体育比赛场馆不了解。

I told you about your weaknesses, you said that i am not understanding you

我告诉你的弱点，你说你不了解你。

I don't understand what is going on in these youngsters' minds.

我不了解这些年轻人的脑子里想的是什么。

I don't know what the youngsters thinking about.

我不了解这些年轻人的脑子里想的是什么。

I don't know what these youngsters are thinking about?

我不了解这些年轻人的脑子里想的是什么。

I don't understand what these youngsters are thinking about.

我不了解这些年轻人的脑子里想的是什么。

I have no idea what these youngsters are thinking about.

我不了解这些年轻人的脑子里想的是什么。

I don't understand what inside the brain of those youngsters.

我不了解这些年轻人的脑子里想的是什么。

The reasons of iron ions content overproof in grade Ⅱ desalting water system,such as variation water quality,contamination of regenerant , operation adjustment of pretreatment system and switching operation of bed were discussed.

对二级脱盐水系统中铁离子含量超标的原因，如来水水质发生波动、再生剂受到污染、预处理系统操作调整、床体运行切换等进行了论述。

You were hired to drum up new business, so go and do it.

公司雇你招徕新业务，你就做你的事好了。