不知道

不认识

不了解

don't know───我想不明白

does out of───向…骗取，骗走；（用不正当手段）剥夺

don't knows───我想不明白

don't-know───我想不明白

dont knows───不知道

you don't know───你不知道；你不知道（歌曲名，YouDon’tKnow）

dies non───死无

If a person does not know how to seriously twist the truth from time to time, he cannot be an entrepreneur.───如果一个人不懂得如何不时的严重地歪曲事实，那他就不可能成为企业家。

She does not know if he is alive or dead.───她不知道他是活还是死。

She does not know how to get to the next block.───她不清楚怎么去下一个街区。

For if there is nothing definite of which he knows it to be the double, he does not know at all that it is double.───因为他不知道它是谁的二倍，那么他就不知道它是二倍。

Pakistan denies the allegation, and Mr. Bashir said the country does not know if Mullah Omar and other Taliban leaders are in Pakistan.───巴基斯坦否认美国这一说法。巴希尔说，巴基斯坦并不知道奥马尔和其他塔利班领导人是否藏在巴基斯坦。

world is always ready to ~ talent with open arms. Very often it does not know what to do with genius.───世人总是准备好张开双臂迎接人才，却常常不知道如何对待天才。

I could not help but think of this a very broad popular story: a child does not know how the story children echo.───这让我不由得想起一个流行很广的故事：一个小孩子不知道回声是怎么回事儿。

Mr. A does not know basic English sentences, not to speak of writing a good composition.───先生连基本英语句子都不懂，遑论写篇好文章。

The source said the above, the cuckoo 's Zhou Yafei and the rumors are true does not know.───中英文对照：上述消息人士表示，对于周亚飞和杜鹃的传闻是否属实也不知情。

He will always be a slave who does not know how to live upon a little. Horace 

Science does not know its debt to imagination. Ralph Waldo Emerson 

One half of the world does not know how the other half lives. 

That waiter does not know how to wait.

She does not know if he is alive or dead.

Society does not know how to deal with hardened criminals .

He does not know when he contracted the virus.

jiddu Krishnamurti, lndia-born religious philosop Aman who does not know what passion is will never knowlove because love can come into being only when there is total self aban -donment . 

Social Security does not know how many Massachusetts recipients of disability benefits are still disabled.