不了解的英文是：make nothing of
参考例句：
Not see any point of;not see any point in.
不了解
thing,place,etc that is unknown.
未知的或不了解的事物、地方等。
Not having knowledge of sth;not acquainted with sth.
对某事物不了解或不熟悉。
Be socially,politically,etc unaware.
对社会、政治等问题不了解。
We do not take cognizance of these forces.
我们不了解这些力。
I didn't cotton on what he meant.
我不了解他想说的是什么。
I don't think you understand the gravity of the situation.
我想你不了解局势的严重性。
They don't understand the seriousness [importance] of this question.
他们不了解这个问题的严重性[重要性]。
I am a newcomer and not acquainted with the rules and regulations here
我是新来的，对这里的规章制度不了解。
You didn't know how eager she was at the time.
你不了解她当时急切的心情。
They were seemingly unaware of the decision.
他们似乎并不了解这个决定。
I really don't know what kind of man he really is; on one occasion, he is normal, and on another, he acts like a lunatic.
我真不了解他到底是怎样的人；一会儿正常，一会儿又像个疯子。
The workings of the Stock Exchange are beyond most people's ken.
证券交易所的运作情况大多数人都不了解。
I was not privy to the discussion, so I cannot tell you what was decided.
我并不了解讨论的情况，所以无法告诉你做了什么决定。
I have little information as regards his past.
我对他过去的情况不太了解.
I have to admit I know very little about her married life .
我得承认，她的婚后生活我不太了解。
So long as we don't understand it too well, every other language is poetry
只要我们对别的语音还不太了解，它们就都是诗。