有区别
leave?
vt.
离开，离去；从…走开；脱离：
He has left Beijing for London.
他已经离开北京到伦敦去了。
He left his hometown and looked for a job in town.
他离开家乡到城里找工作。
留；剩下：
She left some of the food for her husband.
她给丈夫留了一些吃的。
留下；将…留下：
The secretary asked him to leave his telephone number.
秘书要他把电话号码留下来。
(死后或离开后)把…留给；遗赠给：
His uncle left $10 000 in the will.
他舅舅在遗嘱中留下10 000美元。
死后留下；遗留下：
He left a widow and two children.
他死后撇下寡妻和两个孩子。
留下；丢下；忘带：
I left my dictionary in the library.
我把词典丢在图书馆里了。
委托；交托；交由…照管：
You'd better leave this up to me.
你最好把这件事交给我办吧。
He left his son to his sister.
他把儿子交由他姐姐照管。
搁置；不管；忽略；暂不解决：
We'll leave this item till the next meeting.
我们把这个议题放到下次会议讨论。
辞去(工作)；舍弃；停止；拒绝：
take it or leave it
取舍悉听尊便
He left medicine for law.
他放弃医学改学法律。
My father left smoking for 8 years.
我父亲戒烟有8年了。
剩余；剩下：
3 from 7 leaves 4.
7减3余4。
15 minus 5 leaves 10.
15减5得10。
使…处于(某种状态)；听任；让：
Leave the windows open. It's so stuffy here.
让窗子开着，这儿太闷热了。
The earthquake left them homeless.
地震让他们无家可归。
[方言、俚语]让；允许：
Leave them go.
让他们走。
vi.
离去，离开；出发，动身：
When we got to the railway station, the train had left.
我们到火车站时，火车已经开走了。
He leaves for work at 7 every morning.
他每天早上7点钟离家去上班。
leave for?
动身去某处；离开…去某地；奔赴：
My brother has just left Sydney for a tour of the world.
我哥哥刚离开悉尼去周游世界。
离开…转入…；为(新的)遗弃(旧的)：
Her husband left the firm for a better position in a bank.
她丈夫离开这个公司在一家银行谋到了一个更好的职位。
把…留给(某人)做；把…留在(另一时间做)：
He left all the domestic chores for his wife.
他把所有的家务事都留给了妻子。
Let's leave the discussion for the next week.
各位下周进行讨论吧。
把…留给…；为…留下…：
Your mother has left a note for you.
你母亲给你留了一个便条。