not的美音和英音发音音标都为[nɒt]。
一、意思
1、（构成动词be、do和have及情态动词can或must等的否定形式，常缩略为n't）意思为否定，没有，不。
2、（否定后面的词或短语，或作否定的回答）意思为不，没有。
3、（用于hope、expect、believe等动词后，作为否定的回答）意思为不，没有，表否定。
4. （表示否定的可能性）意思为否，或许不。
5. （拒绝或不允许）意思为不，表否定。
二、关于not的否定缩写
1、系动词+not
isn't=is not、wasn't=was not、aren't=are not、weren't=were not。
注意：am+not一般不缩写。
2、助动词+not
don't=do not、doesn't=does not、didn't=did not、haven't=have not、hasn't=has not、hadn't=had not。
3、情态动词+not
can't=can not、couldn't=could not、won't=will not、wouldn't=would not、shouldn't=should not。
三、短语搭配
1、Not null：不能为空。
2、Not see：看不见。
3、Not really：算不上。
4、Not worth：不值。
5、Not optimistic：不容乐观。
6、Not unrelated：不无关系。
7、Not only：不仅。
8、If not：如果不。
9、Not good：次品。
not的例句：
1、I have never liked you since I was young, and I hope you can have self-awareness.
我从小到大都没有喜欢过你，希望你能有自知之明。
2、Although he has been pursuing a beautiful girl, the girl still does not accept his sincere confession.
尽管他一直在追求美丽的姑娘，这个姑娘仍然不接受他的真诚表白。
3、Why did this man put in so much effort, but still not get the favor of women.
为什么这个男人付出了那么多心血，却仍然得不到这个女人的喜欢。
4、This boy showed his love to the girl, but unfortunately the girl didn't like him. It was really fate.
这个男孩向女孩表明了爱意，只可惜女孩并不喜欢他，他们真是有缘无分。
5、This man is too ugly, so his wife does not like him very much, and even hates him very much.
这个男人过于丑陋，因此他的妻子非常不喜欢他，甚至非常怨恨他。
6、The man sincerely tells how much he loves her, but the woman is not willing to give him a chance.
男人真诚地告诉女孩，自己有多么的爱她。但是这个女人却不愿意给他一次机会。