不了解

I don't understand his personality.

我不了解他的个性。

Since the complexity of the motion and the mechanism is still unknown, the research methods are mostly phenomenological theory.

由于其运动的复杂性，在不了解运动产生的物理机理时，只能采用唯象的方法，对其表象进行研究。

In reading master in the graduate student to have 75.3% students not to understand the lifelong physical culture.

3在读硕士研究生中有75.3%的学生不了解终身体育知识。

You don't know about physics, but you learn about it...

你不了解物理，但是你学习它。。。

His legendary courtesy, which the uninitiated took for pliability, was a marvelous way to keep all the contending forces at arm's length

对于传说中的他彬彬有礼的言行，不了解的人以为是顺从，其实是避免同各竞争力量亲近的一个绝好办法。

We don't know all the circumstances, so it would be pointless to speculate on what happened.

我们不了解所有的情况，妄加猜测是没有意义的。

Some people may say to me,"You don'tunderstand my predicament."

有些人也许会说："你不了解我的困境。"

You're gonna wish l was pretending--- You don't know me.

我要是在装就好了。。。-你不了解我

Priestley understood the dangers of racing; he'd be making at least part of his living racing cars for 10 ages.

Priestley并非不了解赛车有风险；十年来他至少一直把赛车视为西方全国全国日常表达的唯一部份。

Miranda Priestly: I don't understand why it's so difficult to confirm an appointment.

米兰达：我不了解，确认预约有那麼困难吗？

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。