to的讀音是：英[t?]。to的例句是用作介詞(prep.)This will be a great boost to the economy.這對於經濟發展將是壹個巨大的促進。to反義詞from出自。
壹、詳盡釋義點此查看to的詳細內容
prep.(介詞)到，向，往，達關於對（於）比離屬於， 歸於（表示結果）致使每直到（表示目的或意圖）為了緊貼著趨於於在與原形動詞壹起構成不定詞表示原因表示想做或讓做的事情表示已知或轉述的事情表示壹個動作緊跟另壹動作adv.(副詞)向前（門）關上著手，開始恢復意識起來在近旁，在附近往返地， 來回地到某種狀態到停止狀態關閉虛掩著向上風（表示方向）去必須，壹定，應該_null.杜，中國姓氏的音譯二、雙解釋義
prep.(介詞)(表示時間)到,直到,在…到來之前,離 …(of time) before sth(表示方向)朝,往,通向 in the direction of sth; towards(表示狀態)緊貼著,緊靠著,對著 in a touching position with(表示對象)對,對於,對…來說 as far as concerns(表示比較)比,相對於 compared with(表示方位)在…方向〔方位〕,處於…順序 located in specified direction(表示距離)離,距離 beyond the distance of(表示目標)到達,直到 so as to be in(表示結果)轉換為,轉變為,趨於 so as to be in a state of(表示程度)達到,直至 reaching as far as(表示目的)為了,為了向…表示敬意,獻給 for; in honor of(表示關系)對,對於 concerning(表示比率)構成,組成,每 forming; making up; per(表示所屬)屬於,歸於 for the possession of(表示伴隨)隨著,隨同 at the same time amid rate as三、詞典解釋
介詞和副詞用法（PREPOSITION AND ADVERB USES）
In addition to the uses shown below,to is used in phrasal verbs such as ‘see to’ and ‘come to’. It is also used with some verbs that have two objects in order to introduce the second object.
除下列用法外，to 還可用於 see to 和 come to 等短語動詞中。它還與某些帶雙賓語的動詞連用，以引出第二個賓語。Usually pronounced /t?/ before a consonant and /tu/ before a vowel, but pronounced /tu?/ when you are emphasizing it. 通常在輔音前讀作 /t?/，在元音前讀作 /tu/，但在強調時讀作 /tu?/。1.(表示方向、目的地)向，朝，往，到
You useto when indicating the place that someone or something visits, moves towards, or points at.
e.g. Two friends and I droveto Florida during college spring break...
我和兩個朋友在大學春假期間開車去了佛羅裏達。
e.g. Ramsay made a second visitto Italy.
拉姆齊第二次訪問意大利。
2.去(參加)
If you goto an event, you go where it is taking place.
to
e.g. We wentto a party at the leisure centre...
我們去休閑活動中心參加了壹個聚會。
e.g. He cameto dinner...
他來赴晚宴了。
3.(表示捆、系、拴等)連接，附著
If something is attachedto something larger or fixedto it, the two things are joined together.
e.g. There was a piece of cloth tiedto the dog's collar...
狗項圈上系著壹條布。
e.g. Many patients prefer hand-held shower heads rather than those fixedto the wall…
很多病人更喜歡手握式的淋浴噴頭而不是固定在墻上的那種。
4.(表示位置)在，位於
You useto when indicating the position of something. For example, if something isto your left, it is nearer your left side than your right side.
e.g. Hemingway's studio isto the right...
海明威的工作室在右面。
e.g. You will see the chapel on the hillto your left…
妳會看見那座小教堂在妳左側的山上。
5.給，予
When you give somethingto someone, they receive it.
e.g. He picked up the knife and gave itto me...
他撿起刀子遞給我。
e.g. Firms should be allowedto offer jobsto the long-term unemployed at a lower wage.
公司應獲許以較低的工資給長期失業的人提供崗位。
6.(表示動作或情感的對象)對，於
You useto to indicate who or what an action or a feeling is directed towards.
e.g. Marcus has been most unkindto me today...
馬庫斯今天對我非常無禮。
e.g. …troops loyalto the government.
忠於政府的軍隊
7.(與某些名詞、形容詞連用，表示關聯)對於，關於
You useto with certain nouns and adjectives to show that a following noun is related to them.
e.g. He is a witty man, and an inspirationto all of us...
他機智風趣，鼓舞激勵著我們所有人。
e.g. Marriage is not the answerto everything...
婚姻並不能解決壹切問題。
8.對…(說);向…(說)
If you say somethingto someone, you want that person to listen and understand what you are saying.
e.g. I'm goingto haveto explainto them that I can't pay them.
我將不得不向他們解釋我不能付錢給他們。
9.(表示反應或態度)致使，致
You useto when indicating someone's reaction to something or their feelings about a situation or event. For example, if you say that something happensto someone's surprise you mean that they are surprised when it happens.
e.g.To his surprise, the bedroom door was locked…
令他吃驚的是，臥室門鎖上了。
e.g. He survived,to the amazement of surgeons.
令外科醫生驚訝的是，他竟活下來了。
10.據…認為
You useto when indicating the person whose opinion you are stating.
e.g. It was clearto me that he respected his boss...
在我看來他顯然很尊重他的上司。
e.g. Everyone seemedto herto be amazingly kind.
每個人對她來說都善良得不可思議。
11.(表示變化)傾向於，趨於，至
You useto when indicating what something or someone is becoming, or the state or situation that they are progressing towards.
to的意思
e.g. The shouts changedto screams of terror.
喊叫聲變成了驚恐的尖叫聲。
e.g. ...an old ranch house that has been convertedto a nature centre.
被改建成自然中心的舊農場主住宅
12.(表示雇傭關系)為
To can be used as a way of introducing the person or organization you are employed by, when you perform some service for them.
e.g. Rickman worked as a dresserto Nigel Hawthorne...
裏克曼曾是奈傑爾·霍索恩的服裝師。
e.g. He was an official interpreterto the government of Nepal.
他曾是尼泊爾政府的官方譯員。
13.(表示時間、數量的界限)達到
You useto to indicate that something happens until the time or amount mentioned is reached.
to
e.g. Every vehicle was banned from coming into Mexico City one day a week from Mondayto Friday…
每周壹到周五期間都會有壹天禁止所有車輛進入墨西哥城。
e.g. From 1977to 1985 the United States gross national product grew 21 percent...
從1977到1985年，美國的國民生產總值增長了 21%。
14.(用於列舉時)(從…)到…
You useto when indicating the last thing in a range of things, usually when you are giving two extreme examples of something.
e.g. I read everything from fictionto history.
從小說到歷史，我什麽書都讀。
e.g. …mechanicaltoys and gadgets, from typewriterstotoy cars.
從打字機到玩具汽車這樣的機械玩具和小巧裝置
15.(表示處所、工作變動)(從…)到…
If someone goes from placeto place or from jobto job, they go to several places, or work in several jobs, and spend only a short time in each one.
e.g. Larry and Andy had drifted from placeto place, worked at this and that.
拉裏和安迪從壹處漂泊到另壹處，幹點這個又幹點那個。
16.來回地;往復地
If someone movesto and fro, they move repeatedly from one place to another and back again, or from side to side.
e.g. She stood up and beganto paceto and fro...
她站起身，開始來回踱步。
e.g. The boat was rocking gentlyto and fro in the water.
小船在水中輕輕地來回搖蕩。
17.(表示時間)在…之前，(差…)不到…
You useto when you are stating a time which is less than thirty minutes before an hour. For example, if it is 'fiveto eight', it is five minutes before eight o'clock.
to
e.g. At twentyto six I was waiting by the entranceto the station...
5 點 40 分我正在車站入口處等著。
e.g. At exactly five minutesto nine, Ann left her car and entered the building.
安在剛好8點55分時下車進了樓。
18.(表示比率)每
You useto when giving ratios and rates.
e.g. ...engines that can run at 60 milesto the gallon.
每加侖油跑 60 英裏的發動機
e.g. …a mixture of one part milkto two parts water.
由壹份牛奶和兩份水兌成的混合物
19.伴隨;隨同
You useto when indicating that two things happen at the same time. For example, if something is doneto music, it is done at the same time as music is being played.
e.g. Romeo left the stage,to enthusiastic applause...
羅密歐在熱烈的掌聲中離開了舞臺。
e.g. Amy woke upto the sound of her doorbell ringing...
隨著門鈴叮當作響，埃米醒來了。
20.不費事;很簡單
If you say 'There's nothing to it', 'There's not much to it', or 'That'sall there is to it', you are emphasizing how simple you think something is.
to是什麽意思
e.g. Once they have tried growing orchids, they will see there is really nothingto it.
壹旦他們試著種植蘭花，就會發現那並不是什麽難事。
e.g. She's going through a difficult time. That's all there isto it.
她正經歷壹個困難時期。就這麽簡單。
21.(門)關著，虛掩著
If you push or shut a doorto, you close it but may not shut it completely.
to在線翻譯
e.g. He slipped out, pulling the doorto.
他溜了出去，虛掩上門。
22. see also: according to
用於動詞原形前（USED BEFORE THE BASE FORM OF A VERB）
Pronounced /t?/ before a consonant and /tu/ before a vowel. 在輔音前讀作 /t?/，在元音前讀作 /tu/。1.(用於動詞原形前構成不定式;不定式用於某些動詞、名詞、形容詞以及 how，which,where 等詞之後)。
You useto before the base form of a verb to form the to-infinitive. You use the to-infinitive after certain verbs, nouns, and adjectives, and after words such as 'how', 'which', and 'where'.
to的解釋
e.g. The management wantedto know what I was doing there...
管理層想知道我在那裏做什麽。
e.g. She told ministers of her decisionto resign...
她告訴了部長們她準備辭職的決定。
2.(用於動詞原形前，表示動作的目的或意圖)
You useto before the base form of a verb to indicate the purpose or intention of an action.
e.g. ...using the experience of big companiesto help small businesses...
利用大公司的經驗幫助小企業
e.g. He was doing thisto make me more relaxed...
他這麽做是為了使我更放松。
3.(用於動詞原形前，表示對自己要說的話加以說明)
You useto before the base form of a verb when you are commenting on a statement that you are making, for example when saying that you are being honest or brief, or that you are summing up or giving an example.
e.g. I'm disappointed,to be honest...
說實話，我很失望。
e.g. Well,to sum up, what is the message that you are tryingto get across?
那麽，概括來說，妳想要傳達的信息到底是什麽？
4.(用於感嘆句中的動詞原形前，強調某壹強烈情感)
You useto before the base form of a verb in exclamations when you are emphasizing a very strong emotion, such as a desire or wish, or a regret or disappointment.
e.g. Oh,to think of his poor wife, standing there helpless…
噢！想想他可憐的妻子，無助地站在那裏。
e.g. But thento be let down like that, oh it's so unfair!
但是接下來竟讓人如此失望，唉，這真不公平！
5.(用於動詞原形前，表示某壹動作之後的情形)
You useto before the base form of a verb when indicating what situation follows a particular action.
e.g. He made his wayto the kitchento find Francis cooking…
他走到廚房，發現弗朗西斯正在做菜。
e.g. From the garden you walk downto discover a large and beautiful lake...
由花園往前走，妳會發現壹個寬闊美麗的湖。
6.(與 too, enough 連用)
You useto with 'too' and 'enough' in expressions liketoo much to andold enough to .
四、例句
This will be a great boost to the economy.