1 to /ˈtuː/ /tə/ preposition Learner's definition of TO
1
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used to indicate that the following verb is in the infinitive form表示后面的动词是不定式 -
I like to swim.我喜欢游泳。
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“
To be, or not
to be—that is the question…”
“生存还是毁灭——这是一个问题…”Shakespeare, Hamlet (1600)莎士比亚，《哈姆雷特》(1600)
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That's a tough question to answer.那是一个很难回答的问题。
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I have an appointment to keep.我有一个约定要遵守。
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The soup is too hot to eat.汤太烫了，不能喝。
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Do you need to use this?你需要用这个吗？
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I have to go now.我现在得走了。
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To look at him, you'd never think he was 80!看看他，你绝对想不到他有80岁了！
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I didn't really like the movie, to be honest.老实说，我不怎么喜欢这部电影。
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often used by itself in place of an infinitive verb when the verb is understood当动词可以省略时，常代替动词不定式单独使用 2
a —
used to indicate the place, person, or thing that someone or something moves toward到；向；往 -
We are flying to London tomorrow.我们明天坐飞机去伦敦。
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They climbed to the top of the mountain.他们爬到了山顶。
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I sent the e-mail to the wrong address.我把电子邮件发错了地址。
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He was sent to the principal.他被带到了校长跟前。
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The little girl ran to her mother.小女孩向她妈妈跑去。
b —
used to indicate the place where someone participates in a particular activity赴（某活动场所） -
Where do you go to school?你在哪儿上学？
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She wore her new red dress to the party.她穿上了红色的新连衣裙去参加聚会。
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We went to lunch together.我们一起去吃了午饭。
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This is the child's first visit to the dentist.这是孩子第一次去看牙医。
3
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used to indicate the direction of something（表方向）离，朝，对着 -
There is a lake a mile to the south of here.从这儿往南一英里处有一个湖。
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She had her back to me. [=her back was facing me]她背对着我。
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The roads are parallel to each other.这两条道路相互平行。
4
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used to indicate the limit or range of something（表界限或范围）到，达到 -
The water was up to my waist.水深及我的腰。
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The temperature outside rose to 100 degrees.室外温度上升到了100华氏度。
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The word dates (back) to 1639.这个单词可以追溯到1639年。
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The show's audience is mainly men from 18 to 30 years of age.这场演出的观众主要是18至30岁的男士。
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The band plays all kinds of music from country to hard rock.这支乐队演奏各类音乐，从乡村乐到硬摇滚乐。
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The shirt is a light to medium pink.这件衬衫的颜色从淡粉渐变到中粉。
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The wines we tasted ranged from very poor to good to excellent.我们品尝的葡萄酒既有品质差的，也有品质好的，甚至还有佳酿。
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To my knowledge, she has never visited Paris. [=I do not know of any time when she visited Paris]据我所知，她从未去过巴黎。
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I'll do it to the best of my ability. [=as well as I can]我将尽我所能去做这件事。
5
a —
used to indicate a particular result or end（表结果或结局）致，致使 -
The school was converted to an apartment building.学校被改建成了一座公寓楼。
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The vase was smashed to pieces.花瓶被摔成了碎片。
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The promotion increased her salary to $50,000.职务晋升使她的薪水涨到了5万美元。
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He was sentenced to death.他被判处死刑。
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To their surprise, the train left on time.出乎他们意料的是，火车准点发车了。
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A firefighter came to her rescue. [=a firefighter rescued her]一名消防员把她救了。
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It's 100 miles (from here) to the nearest town.
b : according to (something)按照；遵照 6
a —
used to indicate the end of a particular period of time（表一段时间的结尾）直到…为止 -
He works from nine to [=until, till] five.他从九点工作到五点。
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Up to now, no one has beaten the record.到目前为止还没有人打破这项纪录。
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The movie keeps your attention from beginning to end.这部电影从头到尾都很吸引人。
b : before the start of (something, such as an hour or event)在…开始之前；离；差 -
It is ten to six. [=it is 10 minutes before 6 o'clock]现在是差十分钟六点。
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She arrived at a quarter to five.她在差一刻钟五点到达。
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I can't believe there are only five days to the wedding.我不敢相信还有五天就是婚礼了。
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How long to kickoff?离开球还有多久？
7
a —
used to indicate the person or thing that receives an object or action（表动作的对象）对，于 -
Give the letter to me. [=give me the letter]把信给我。
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The teacher spoke to his parents.老师跟他父母谈了话。
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She showed a picture of her kids to me.她给我看了她孩子们的照片。
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Refer to the dictionary.查阅字典。
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Let me introduce you to my sister.我把你介绍给我妹妹吧。
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She was very rude to [=toward] him.她对他很粗鲁。
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“He's smart,” she thought to herself.“他很聪明。”她心里想。
b : in honor of (someone or something)向…致敬；为…庆祝 -
Let us drink to the bride and groom.让我们为新娘、新郎干杯。
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The people built temples to their gods.民众为他们的众神修建寺庙。
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The book is dedicated to her husband and children.这本书献给她的丈夫和孩子们。
8
a —
used to indicate how people or things are related, connected, etc.（表人或事物之间的关系）属于，归于，关于 -
She is married to my cousin.她嫁给了我堂兄。
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He is related to me.他是我亲戚。
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He is the assistant to the dean.他是主任的助手。
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You have always been a good friend to me.你一直都是我的好朋友。
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I can't find the key (that goes) to this door.我找不着门钥匙。
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He owns the title to the property.他拥有财产的所有权。
b : in response to (something)回答；回应 -
There wasn't much I could say to that.关于那件事，我没有什么可多说的。
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The answer to your question is no.对于你的问题，回答是不。
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What would you say to a drink? [=would you like a drink?]你要不要喝一杯？
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Her dog comes to her call. [=comes when she calls]她一喊，她的狗就会过来。
9
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used to indicate the thing that causes something to happen（表原因）由于 10
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used when one person or thing is being compared to another（表比较）比 -
He prefers a good book to a movie.比起电影，他更喜欢好书。
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I have a pair of shoes similar to those.我有一双鞋和那些鞋类似。
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His followers compared/likened him to a god.他的追随者们把他比作神。
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This problem is nothing to [=is nothing when compared to] the ones we previously had.和我们先前遇到的问题相比，这个不算什么。
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We won the game ten to six. [=we won the game because we had ten points while the other team had only six]我们以10：6的比分赢得了比赛。
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Their odds of winning are ten to one.他们十有八九会获胜。
11
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used to indicate that something is attached to or touches something else（表示事物相接或相连）附，依 -
He tied the dog's leash to the post.他把拴狗绳系在柱子上。
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She put her hand to [=on, against] her heart.她把手放在胸口。
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He gently touched the bow to the violin's strings.他用琴弓轻触小提琴的琴弦。
12
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used to indicate the thing that contains or includes a certain number or amount of something每；等于 13
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used to indicate the sound that people hear while they do something or while something happens和着，伴随着（某声音） 14
a : in the opinion of (someone)在…看来 -
The plan is agreeable to all of us.这项计划对于我们大家来说都是适宜的。
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Her excuse sounded suspicious to me.她的借口令我生疑。
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To him, the work seemed unnecessary.在他看来，这项工作是多余的。
b : from the point of view of (someone)从…的观点来看
to yourself
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used with have to say that you are the only one who is using something or who is in a place独享；独用；独占 ◊ Do not confuse to with too or two.
Learner's definition of TO
1
: into a state of being awake or conscious苏醒过来 2
chiefly British : into a position that is closed or almost closed关上；虚掩
to and fro
: forward and backward前后地；来回地 : from one place to another从一个地方到另一个地方