不了解

I don't feel up to it.

我不了解。

I can't put my finger on it.

我不了解它。

Woltz: You don't understand. Johnny Fontane never gets that movie.

7楼你不了解，强尼方亭永远别想演那部电影。

I don't know too much about her or her horse, for that matter.

我对她和她的马的事都不了解

You may not be realizing you're actually hitting a left-handed forehand.

你可能不了解你实际上正在作左手正拍的打击。

He's often forgetful of things.

他对国外的事情很不了解。

If you do not understand, is it necessary for me to Email you the attachment in the letter form the lawyer?

如果你目前还不了解，需要我将律师发来的附件电邮给你吗？

Although Imay not have systematically studied French in particular,I was singing Frere Jacques by the age of 7and have since acquired enough knowledge of French that Ican understand your messages in French.

Sorbonne是法国最负盛名的大学之一，但也分不同的专业，比如经济类最好的是巴黎九大，法律类最好的是巴黎二大等等，而法国的公立大学并不象英语国家那样的排行，由于法国政府的支持，大学的教学质量是严格得到保障的，你的言论只能说你一点不了解法国的教育制度和教学特点

Galahad, do you still not know the Romans?

加拉赫，你还不了解罗马人吗？

I do not understand people who claim to "love" gardening.

我不了解人对"爱"园艺的要求。

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。