1、doesn't用在人或物是第三人称单数时,在否定句中放在第三人称单数或第三事物单数后面，第三人称单数：he,she,john(名字）等

eg：He does't speak English.

他不说英语。

2、don't用在人或物是复数,或人是第一人称或第二人称时,在否定句中放在人或物后面。第一第二人称或者第三人称的复数they、I、you等。

eg：they don't want to read books

他们不想读书。

1、词性：语气助词

2、翻译：不

3、例句

（1）You dont wanna talk about it anymore?

你不想再说了？

（2）I dont take the time to tell you this often,but I love you,mom.

虽然我经常没有时间告诉您，但我真的爱您，妈妈。

1、词性：语气助词

2、翻译：不

3、例句

（1）The pump doesn't work and we have no running water

水泵坏了，我们没有自来水了。

（2）Success doesn't only depend on what you do.What you don't do is equally important.

成功不仅仅在于你做了什么，你没有做什么也同样重要。

This company has no use for people who dont'know English.

不懂英文的人在这个公司是吃不开的。

I know him,but we dont frequently see each other.

我认识他，但我俩并不常来常往。

Dont'think it will all be that easy.

不要把这事看得那么容易。

Don't speak in a loud voice!;Dont't make noise!

不要大声喧哗！

B:I dont think it fun to travel in big cities.

B：我认为在大城市旅行不好玩。

Dont't play the guitar in the classroom.

不要在教室里弹吉他。

Dont cry berause it over,smile because it happed.

不要因为完结而哭泣，要为曾经发生面微笑

After that please dont take any food or water before the operation.

这以后直到手术前请不要再吃东西或喝水了。

Well,I dont want to know,I like this YOU better.

天！他难道不知道我有多想这样做！

Many people dont regard money as the source of evil.

许多人并不认为金钱是万恶之源。

Dont ever give up on something you want to do.

永远不要放弃你想做的任何事情。

Dont't you see there are less lives in the water?

你难道不曾看到水里的生物数量锐减？

The time had passed and I still dont see the light on.

时间已经过去了，我至今还没有找到光明的所在。

You want your girl to feel special,dont you?

你想让你的女朋友感觉很特别，不是吗？

But I dont want to be the one to cry.

如果，我能够在你身边，我将不会再哭泣。

That is because I dont need one.

这是因为我没有这个需要。

If I take you on,you dont say anything.

如果我来教你，你一句话也不要说。

Actually I dont think cover letter is important for big five.

事实上，我觉得附信对申请五大事务所不是很重要。

Give me a moment and dont make me explain.

给我片刻时间，不要再追问。

I dont have to exercise because I have health insurance.

我不用健身的，因为我有医疗保险。

She doesnt like to show her face during the day.

她不喜欢在白天露面。

A good wish,however,doesnt mean a real life!

良好的愿望并不代表真正的生活。

Only learning about English doesnt mean learning the language.

只是了解有关英语的知识并不等于学习这门语言。

Makes you want to look at the code doesnt it?

您想要看代码不它的牌子？

So sometimes people think,how come master doesnt know me?

所以有时候有人会想：师父怎么不认得我了？

It doesnt take a lot to make your parents feel loved.

你不需要付出很多，就能让你的父母感觉到爱。

If the police doesnt help the people,the people will take action themselves.

如果警察不去帮助人民，人民将会采取行为去保护他们自己。

Try New Things Average doesnt like change.Average likes the status quo.

尝试新事物普通人不喜欢改变，普通人满足于现状。

Then it doesnt make sense to meet at the apartment.

那在公寓见面就没有道理了嘛。

Whether she had nothing to say or simply said nothing doesnt matter.

她究竟是无话可说或者只是不发一言，这些都不重要了。

To be more attractive doesnt need to cost you any money.

让自己更有魅力无需花一分钱。

If he doesnt want to be very close to you.

如果他不愿意与你太亲近。

But,winter doesnt have this effect on everyone.

但是，冬天不是在每个人身上都有这种效果。

Of course,a perfect plan doesnt guarantee a smooth trip.

当然，一个完美的计划并不能保证就是一次顺利的旅行。

Right now,he said,that doesnt appear to be the case.

现在，杰夫佩蒂斯认为情况并非如此。

Here is another money question that doesnt deserve an answer.

这是另外一个不值得回答的关于钱的问题。

Life doesnt work like this.

生活不是这样的。

My face doesnt look that bad,does it?

我的脸看上去不那么难看了吧？

A smile doesnt always mean a person is happy.

有时候，微笑，并不代表快乐。

She has the ability to go to college,but she doesnt want to.

她有能力上大学，但她不愿意去。