1.offer的基本意思是“主动拿出”,可指主动提供某事物供考虑、接受或拒绝,或为某物出价,也可指主动提出建议、意见等。还可表示“主动做(某事)”。
2.offer作“动提供,主动提出; 出价”解时,用作及物动词时,接名词、代词或动词不定式作宾语,也可接双宾语,其间接宾语可以转化为介词to的宾语,offer有时还可接以as短语充当补足语的复合宾语,此时的宾语通常为反身代词。
3.offer作“表示愿意”解时,既可用作及物动词,也可用作不及物动词。 用作及物动词时,通常只接动词不定式作宾语。
4.offer也可表示“发生,出现,呈现”,用作不及物动词; 还可表示“为(某事物)提供机会”“给予”,用作及物动词。
5.offer有时还可用来引出直接引语表示“自告奋勇地说”。
6.offer可用于被动结构。

offer for(v.+prep.)
为…提出 suggest that one give sth, sb, oneself for sth
▲offer sth for sth
The man offered 500 yuan for this red horse.那人出价500元来买这匹红马。
▲offer oneself for sth
Why are you offering yourself for additional work?你为什么要给自己找额外的活儿干呢?
▲offer sb sth for sth
I offered him a bike for 300 yuan.我向他要价300元卖那辆自行车。

offer up(v.+adv.)
献上 offer sth/sb to a god
▲offer sb/sth ⇔ up
We offer up our thanks to the lord for his mercy and loving kindness.我们向房东表示感谢,感谢他的同情与仁慈。
He offered up oneself for the cause.他为了该事业奉献了生命。

用作不及物动词
▲S+～(+A)
I will not offer at that which I cannot do.我做不到的事绝不尝试。
I shall come again when occasion offers.遇有机会,我将再来。
I will do it as soon as opportunity offers.时机一到我就要做这件事。
用作及物动词
▲S+～+n./pron.
The river would offer power production estimated at 500,000 kilowatts if a dam was constructed.如果筑起水坝,这条河能提供大约50万千瓦的电力。
Wait till a better chance offers itself.等候更好的机会到来吧。
They were friendly and even offered assistance.他们很友好,甚至主动来帮忙。
Her friends all came to offer congratulations.她的朋友们都来表示祝贺。
She offered no response.她没有反应。
This plateau offers a good view.这一高地适宜眺望景色。
The teacher offered a few ideas to improve the plan.老师提出了几点改进计划的意见。
The job offers prospects of promotion.这工作有晋升的机会。
▲S+～+to-v
When serious drought hit Africa again, many international organizations offered to help.当非洲再次遭受严重旱灾时,许多国际组织主动提供援助。
The driver offered to drive us to the station.那位司机主动提出送我们到车站。
He offered to go at once.他主张立刻就去。
Many people offered to donate blood and skin for the badly burnt worker.很多人要求为那个严重烧伤的工人献血献皮。
When they offered to depart she entreated their stay.当他们表示要走的时候,她恳求他们再呆一会儿。
He offered to lend me the money.他表示愿意借钱给我。
▲引出直接引语
“We could take it for you”, offered Eby.“我们可以替你拿”,伊比自告奋勇地提议。
用作双宾动词
▲S+～+pron./n.+n./pron.
She offered me a seat.她给我让了一个座儿。
He offered me some tickets.他给了我几张票。
We offered them each three cups of barley wine.我们敬了他们每人三杯青稞酒。
He offered her a house.他给她提供了一栋房子。
They offered me a position.他们给了我一份差使。
I offered him my help.我表示要帮助他。
I can give you no assistance, neither will I offer you any obstacle.我不能帮你忙,但也不会妨碍你。
They offered me their hearty congratulations.他们向我表示衷心的祝贺。
She offered him a bribe.她向他行贿。
She offered me her help to carry this bookcase.她主动来帮我搬这个书架。
▲S+～+n./pron.+to pron./n.
They have offered a reward to the scientist.他们给那位科学家颁发奖金。
The universities are now offering a wider range of courses to students for them to choose.现在那些大学设有更广泛的课程供学生选择。
He offered the painting to me at a reduced price.他提出减价把画卖给我。
The Egyptians offered resolute resistance to the aggressors.埃及人对侵略者作出坚决的反抗。
The young soldier offered his life to the country.这个年轻的士兵表示要把生命献给祖国。
◇ 用于be ～ed结构
Was the job offered to you?你得到那份工作了吗?
用作宾补动词
▲S+～+oneself+as n.
He offered himself as a candidate.他自告奋勇要当候选人。

offer, give
参见give条。
offer, prefer, present, proffer, tender
参见present条。

她主动把自行车借给了我。
［误］  She offered that she would lend me her bike.
［正］  She offered to lend me her bike.
［析］  offer后一般不接that从句。

下列两个句子意思不同:
I offered him the house for 20,000 pounds.
我愿以两万英镑把这房子卖给他。
I offered him 20,000 pounds for the house.
我向他出价两万英镑把这房子买下。

1.offer用作名词可表示“提议,提供”也可指“提供考虑的数量”“出价”,是可数名词,一般用于单数形式。
2.offer后可接of短语或动词不定式作定语。

under offer
已有人出价要买 (of a building for sale) having a prospective buyer who has made an offer
The office block is under offer.办公大楼已有人出价要买。

Thank you for your kind offer of help.承蒙惠助,不胜感激。
I don't think she can accept an offer of marriage.我认为她不会接受求婚。
If he makes you a good offer, don't refuse it.如果他向你提出一个好建议,你不要拒绝。
It is useless make a counter offer.讨价还价是没有用的。
Her offer for the piece of furniture was 100 dollars.她对这件家具的出价是100美元。
I've had an offer of 1200 pounds for the car.有人向我出价1200英镑买这辆汽车。
Freddie has made an offer to teach us English.弗雷迪已答应教我们英语。
He makes an offer to catch the ball.他想接住那球。

承你的帮忙,不胜感激。
［误］  We are grateful to you for your offer to give help to us.
［正］  We are grateful to you for your offer of help to us.
［析］  offer本身已含有“给予,付出”的意思,所以用to give是多余的。

［同义词］ v.  advance, afford, bid, extend, furnish, propose, provide, show, submit, suggest, tender, volunteer
［反义词］ v.  decline, refuse, reject
［词源］  ＜古英语offrian＜拉丁语offere(拿到前面来)