prep. 向，朝着; 到; 关于; 属于
adv. 朝一个方向的; 到某种状态; 关闭
infinitive marker （表示目的或意图）,（表示结果）,（表示原因）,（表示想做或让做的事情）,（表示已知或转述的事情）,（表示一个动作紧跟另一动作）,必须；一定；应该
You use to when indicating the place that someone or something visits, moves towards, or points at.
Two friends and I drove to Florida during college spring break...
Ramsay made a second visit to Italy.
If you go to an event, you go where it is taking place.
We went to a party at the leisure centre...
He came to dinner...
If something is attached to something larger or fixed to it, the two things are joined together.
There was a piece of cloth tied to the dog's collar...
Many patients prefer hand-held shower heads rather than those fixed to the wall…
You use to when indicating the position of something. For example, if something is to your left, it is nearer your left side than your right side.
Hemingway's studio is to the right...
You will see the chapel on the hill to your left…
When you give something to someone, they receive it.
He picked up the knife and gave it to me...
Firms should be allowed to offer jobs to the long-term unemployed at a lower wage.
You use to to indicate who or what an action or a feeling is directed towards.
Marcus has been most unkind to me today...
…troops loyal to the government.
You use to with certain nouns and adjectives to show that a following noun is related to them.
He is a witty man, and an inspiration to all of us...
Marriage is not the answer to everything...
If you say something to someone, you want that person to listen and understand what you are saying.
I'm going to have to explain to them that I can't pay them.
You use to when indicating someone's reaction to something or their feelings about a situation or event. For example, if you say that something happens to someone's surprise you mean that they are surprised when it happens.
To his surprise, the bedroom door was locked…
He survived, to the amazement of surgeons.
You use to when indicating the person whose opinion you are stating.
It was clear to me that he respected his boss...
Everyone seemed to her to be amazingly kind.
You use to when indicating what something or someone is becoming, or the state or situation that they are progressing towards.
The shouts changed to screams of terror.
...an old ranch house that has been converted to a nature centre.
To can be used as a way of introducing the person or organization you are employed by, when you perform some service for them.
Rickman worked as a dresser to Nigel Hawthorne...
He was an official interpreter to the government of Nepal.
You use to to indicate that something happens until the time or amount mentioned is reached.
Every vehicle was banned from coming into Mexico City one day a week from Monday to Friday…
From 1977 to 1985 the United States gross national product grew 21 percent...
You use to when indicating the last thing in a range of things, usually when you are giving two extreme examples of something.
I read everything from fiction to history.
…mechanical toys and gadgets, from typewriters to toy cars.
If someone goes from place to place or from job to job, they go to several places, or work in several jobs, and spend only a short time in each one.
Larry and Andy had drifted from place to place, worked at this and that.
If someone moves to and fro, they move repeatedly from one place to another and back again, or from side to side.
She stood up and began to pace to and fro...
The boat was rocking gently to and fro in the water.
You use to when you are stating a time which is less than thirty minutes before an hour. For example, if it is 'five to eight', it is five minutes before eight o'clock.
At twenty to six I was waiting by the entrance to the station...
5 点 40 分我正在车站入口处等着。
At exactly five minutes to nine, Ann left her car and entered the building.
You use to when giving ratios and rates.
...engines that can run at 60 miles to the gallon.
每加仑油跑 60 英里的发动机
…a mixture of one part milk to two parts water.
You use to when indicating that two things happen at the same time. For example, if something is done to music, it is done at the same time as music is being played.
Romeo left the stage, to enthusiastic applause...
Amy woke up to the sound of her doorbell ringing...
If you say 'There's nothing to it', 'There's not much to it', or 'That's all there is to it', you are emphasizing how simple you think something is.
Once they have tried growing orchids, they will see there is really nothing to it.
She's going through a difficult time. That's all there is to it.
If you push or shut a door to, you close it but may not shut it completely.
He slipped out, pulling the door to.
ought, to, should
The new employees were presented to the rest of the staff.
It is possible to cure psoriasis.
They were ready to die , if necessary, for their country.
So you think we ought to wait here? — Precisely.
那么你认为我们应该在这儿等 吗 ?——对.
Everybody was delighted to see her.