(1)leave A to B 作“把A委托/交给B”

This letter needs answering. Can I leave it to you?  

这封信需要答复,这事交给你办,好吗?

Leave him to his father, he'll deal with him.  

让他父亲去收拾他吧!

He left the dictionary to me.  

他把那本词典给了我。

I don't like leaving important decisions to inexperienced people.  

我不喜欢把重大决策问题留给没有经验的人去处理。

The catering can be left to mother.  

伙食的事可以交给母亲去办。

(2)leave A for B 给B留下A

The postman left a letter for you.  

邮递员给你留下一封信。

I'll make sure to leave word for you as to where you can find me.  

我保证给你留个信,告诉你去哪儿找我。

He leaves all the worst jobs for me.  

他把最难干的活都留给了我。

We can leave the difficult jobs for the chairman to do.  

我们可以把困难的工作留给主席去做。

A parcel has been left for you at the desk.  

有人在服务台给你留下个包裹。

(3)Leave sb sth给某人留下某物

He left his sister 300 pounds.   他给妹妹留下300英镑。

We have left him enough food.   我们给他留下了足够的食物。

His father left him nothing when he died.   他父亲去世时什么也没有给他留下。

In his will, my uncle has left me all his property.   我的叔父在遗嘱里已把他的全部财产留给了我。

Leave him the book before you go.   你走之前把这本书交给他。

I'd like to leave you the books I've kept for so many years.   我愿意把保留了这么多年的书交给你。

This schedule would leave you time to make preparations for the conference.   这个日程表会使你有时间来为会议做准备

She was left a big fortune by her husband.   

她丈夫给她留下一大笔遗产。

leave除了作"离开"解以外,还有以下几种特殊用法:

(1)作"留下"、"丢下"、"落下",常表示某物落在/忘在某地。

You'd better leave your address and telephone number. 

你最好留下你的地址和电话号码。

Better take off your shoes and leave them outside. 

最好把鞋脱掉,放在外面。

I left my key in the reading room.

我把钥匙忘在阅览室了。

(2)表示"留给"、"交给",一般与介词with或to搭配。

Leave it with / to me and I'll see what I can do. 

把它交给我,我就知道该怎么办。

He has left a number of books with / to me. 

他把好些书都存在我这儿/留给了我。

We didn't find him and left word (或a message) with his neighbours. 

我们没找到他,于是就托他的邻居留了个条。(不用to,因为便条还要交给别人)

注意: 

A：leave sth with sb, 表示"暂存",以后还要取回。

B:leave sth to sb, 表示以后不再索还。

(3)leave作使役动词,表示"使/ 让……保持某种状态"。

① 用形容词作宾语补足语

Leave the door open when you go out. 

出去时,不要关门。

His illness left him very weak. 

他生病以后,身体很虚弱。

② 用不定式作宾语补足语

Leave him to do it himself. 

让他自个儿去做。

They killed the bison, cut off the skins and left the bodies to rot. 

他们把野牛杀死剥皮,尸体就任其腐烂。

What we've done leaves much to be desired. 

我们的工作还有很多不足之处。

③ 用现在分词作宾语补足语They walked off and left me sitting there alone. 他们走开了,让我一个人坐在那儿。He went out, leaving his papers lying open on the desk. 他出去时,把他的文件摊在桌子上。④ 用过去分词作宾语补足语Did you leave the doors and windows properly fastened? 你把门窗关好了吗?He left a few questions unanswered. 他还有些问题没有作答。⑤ 还可用名词、介词短语等作宾语补足语His parents both died last year, leaving him an orphan. 他父母去年双双去世,留下他成为一个孤儿。He left his schoolbag on the playground. 他把书包丢在操场上了。(4)leave的过去分词left,常用作后置定语,表示"剩下的"。如:I've got two tickets left for tonight's film. c今晚的电影票我有多余的两张。Is there any water left in the bottle? 瓶子里还有水吗?注意: remaining 也可表示"剩余的",它则只能作前置定语。The lady said she would buy a gift for her daughter with the .A. 20 dollars remained B. 20 dollars to remainC. remained 20 dollars D. remaining 20 dollars (5)leave还可作名词,表示"休假"、"假期"。如:I have 3 weeks'leave. 我有三个星期休假。My best friend, Joan is spending her leave in Beijing. 我最好的朋友琼正在北京度假。He asked his teacher for sick leave. 他向老师请病假。 

http://ask.yygrammar.com/q-22553.html

leave 遗留 (leave sth to sb)

He died two and a half years later, leaving everything to his wife.  

他于两年半后去世，把所有遗产都留给了妻子。

(1)leave sb sth 留给某人某物/留下某人某物

He left his sister 300 pounds.   他给妹妹留下300英镑。

We have left him enough food.   我们给他留下了足够的食物。

His father left him nothing when he died.   他父亲去世时什么也没有给他留下。

In his will, my uncle has left me all his property.   我的叔父在遗嘱里已把他的全部财产留给了我。

Leave him the book before you go.   你走之前把这本书交给他。

I'd like to leave you the books I've kept for so many years.   我愿意把保留了这么多年的书交给你。

This schedule would leave you time to make preparations for the conference.   这个日程表会使你有时间来为会议做准备。

She was left a big fortune by her husband.   她丈夫给她留下一大笔遗产。

(2)leave sth to sb 把某物/某事留给某人

This letter needs answering. Can I leave it to you?   这封信需要答复,这事交给你办,好吗?

Leave him to his father, he'll deal with him.   让他父亲去收拾他吧!

He left the dictionary to me.   他把那本词典给了我。

(3)leave sth for sb 为某人留下某物

The postman left a letter for you.   邮递员给你留下一封信。

I'll make sure to leave word for you as to where you can find me.   我保证给你留个信,告诉你去哪儿找我。

He leaves all the worst jobs for me.   他把最难干的活都留给了我。

We can leave the difficult jobs for the chairman to do.   我们可以把困难的工作留给主席去做。

A parcel has been left for you at the desk.   有人在服务台给你留下个包裹。

(4) leave sth +adj./n 使/让.....处于....状态

He said he had left the door open on purpose.   他说他是有意让门开着的。

We can leave it open for the moment.   这事我们可暂时不作结论。

As to your wish to have an extra secretary , let's leave it open until the next fiscal year.  你希望增补一名秘书的事,到下一财政年度再定。

(5) leave it +adj+wh-从句

They left it undecided who was to be the chief.   

谁当主任还没有定下来。

(6) leave sb to do sth

Leave him to do it himself.   让他自个儿去做。

We must leave the children to settle their affairs themselves.   我们必须让孩子自己解决自己的事情。

I'll leave you to settle all the business.   我让你去处理所有事务。

Her parents left her to choose her own friends.   她父母让她自己去选择朋友。

You must leave me to decide what course to follow.   何去何从你得让我来决定。

We'll leave you to negotiate with them.   我们委托你去与他们谈判。

How could I leave him to suffer in a strange family?   我怎么忍心让他到一家陌生人家去受苦

She was left to rganize the party herself.   她只得自己亲自动手组织这次晚会。

(7) leave sb/sth doing sth

He left me waiting outside in the rain.   

他让我站在雨里等候。

Why did you leave the guests standing there?   你为什么让客人站在那儿?

They walked off and left me sitting there all by myself.   他们走了,让我孤零零一个人坐在那里。

She always leaves the light burning all night long.   她常常让灯整夜地亮着。

Our roaring guns left the enemy trembling with fear.   我们的隆隆炮声使敌人胆战心惊。

(8) leave sth done

They could not leave the city unguarded.   

他们不能让这座城市不设防。

I'm sorry I've left some of your questions unanswered.   很抱歉,你的一些问题我没有回答。

But a day's talk left them still divided on some issues.   讨论了一天,但在有些问题上,他们的意见还有分歧。

(9)sth +left  （过去分词作后置定语，剩下...）

I felt I had little energy left.   我感到一点劲都没有了。

There is nothing left in the box.   盒子里什么东西也没剩。

(10)a day's +leave （名词使用）

She asked for a day's leave.   她要求请1天假。

John had a week's sick leave.   约翰请了一个星期的病假。

His leave is up tomorrow.   他的假从明天开始。