For Meaning(定義、用法、例句與發音)

for

preposition

快速理解

What does "For" mean?What are 2-3 core uses of "For"?

「for」是一個多功能介系詞,主要表示目的、對象、時間長度與交換關係。

  1. 1

    目的

    EN: used to show purpose or function

    翻譯: 表示目的或功能

  2. 2

    對象

    EN: used to indicate the recipient or beneficiary

    翻譯: 表示接收者或受益者

  3. 3

    時間長度

    EN: used to express duration of time

    翻譯: 表示一段時間的長度

  4. 4

    交換或原因

    EN: used to indicate exchange, reason, or in place of something

    翻譯: 表示交換、原因或替代

小提醒:注意「for」表示一段時間(for two hours)與「since」表示時間起點(since 2020)的區別。

發音(How to Pronounce "For" in English

How to pronounce "For" in English?"For" US vs UK pronunciation

點擊下方的 US / UK 按鈕可播放發音。

Real-life Examples of "For" from YouTube Videos

South Korea would accept Trump-Kim deal to freeze North Korea’s nuclear programme | BBC News

BBC News

It comes as South Korea's president Lie Jay Mung has told the BBC that he'd accept a deal with North Korea under which Pyongyang would freeze nuclear weapon production for now, rather than get rid of them altogether.

(1 out of 890)

Definitions(定義)

What are the definitions of "For"?How does "For" change by context?

1. indicating the recipient or beneficiary of an action

表示動作的接受者或受益者

I bought a gift for my mother.

我為我母親買了一份禮物。

He made dinner for the whole family.

他為全家人做了晚餐。

This letter is for you.

這封信是給你的。

2. indicating purpose, function, or intended use

表示目的、功能或預定用途

This knife is for cutting bread.

這把刀是用來切麵包的。

We went to the store for some milk.

我們去商店買牛奶。

She is studying for her exams.

她正在為考試而讀書。

3. indicating duration of time

表示時間的持續長度

We lived in London for five years.

我們在倫敦住了五年。

He waited for an hour.

他等了一個小時。

The meeting is scheduled for two hours.

會議預計進行兩小時。

4. indicating reason or cause

表示原因或理由

She was praised for her hard work.

她因努力工作而受到表揚。

I apologize for being late.

我為遲到而道歉。

The city is famous for its night markets.

這座城市以其夜市聞名。

5. in support of or in favor of

表示支持或贊成

Are you for or against the proposal?

你贊成還是反對這項提議?

They voted for the new policy.

他們投票支持新政策。

I'm all for trying new things.

我完全贊成嘗試新事物。

6. considering the circumstances; in relation to

考慮到情況;就...而言

He is tall for his age.

以他的年齡來說,他算高的。

For a beginner, she plays the piano very well.

就初學者而言,她鋼琴彈得非常好。

It's quite warm for January.

就一月來說,這天氣相當暖和。

Grammar & Patterns(句型)

What are common sentence patterns for "For"?How to make natural sentences with "For"?
PatternMeaningExample
for + noun/pronoun為(某人/某物)I bought a gift **for** my sister. (我為我姊姊買了一份禮物。)
for + period of time持續(一段時間)She lived in London **for** three years. (她在倫敦住了三年。)
for + reason/purpose為了(某個原因或目的)He went to the store **for** some milk. (他去商店是為了買牛奶。)
for + V-ing為了(做某事)This tool is **for** opening bottles. (這個工具是用來開瓶子的。)
for + noun (representing)代表、象徵"P" stands **for** "Parking". ("P" 代表「停車」。)
for + noun (destination)前往(某地)The train **for** Taipei is leaving now. (開往台北的火車現在要出發了。)
for + noun (in exchange)以(某價格)交換I sold my bike **for** $100. (我把腳踏車賣了一百元。)
for + noun (in favor of)支持、贊成Are you **for** or against the proposal? (你支持還是反對這個提案?)
for + noun (considering)考慮到、就…而言**For** a beginner, she plays the piano very well. (就初學者而言,她鋼琴彈得非常好。)

用法說明

How is "For" different from similar structures?What usage mistakes are common with "For"?

for + V-ing 與 for + noun 的用法

  • for + V-ing 通常用於說明某物的一般用途或功能,強調其設計目的或常見的應用場景。
  • for + noun 則是用來指出動作的特定對象或目的,後面接的是動作的接受者或目標事物。
  • for 後面接的是動作的結果或產物時,也常使用 for + V-ing 的形式。
  • 在表示原因或理由時,for + V-ing 可能帶有負面或指責的語氣,而 for + noun 則較為中性。

對比例句: EN: This tool is for opening cans. 翻譯: 這個工具是用來開罐頭的。

EN:I bought a gift for my sister.

翻譯:我買了一個禮物給我妹妹。

EN:He was criticized for being late.

翻譯:他因為遲到而受到批評。

EN:She apologized for the mistake.

翻譯:她為這個錯誤道歉。

總結建議

當表達一般用途或功能時,使用 for + V-ing;當指出特定對象、接收者或較中性的原因時,則使用 for + noun

易混淆對比

What is the difference between "For" and similar words?How to choose "For" vs alternatives?

for vs to

"for" 表示目的、受益對象或持續時間;"to" 表示方向、目的地或動作的接收者。

for vs since

"for" 表示一段時間的長度;"since" 表示一個時間的起點。

for vs because of

"for" 可表示原因,較正式或用於特定結構;"because of" 是表示原因最常見的片語。

口語用法

How is "For" used in spoken English?What is the spoken vs formal difference for "For"?

引述

在口語中,常以 "for" 引述他人的話語或想法,作為解釋或辯解。 EN: I’m just saying this for what he told me yesterday. 翻譯: 我只是轉述他昨天告訴我的話。

EN:She’s not mad, for what it’s worth.

翻譯:說真的,她並沒有生氣。

語氣強調

用於句首或句中,加強語氣或帶出個人觀點,使對話更生動。 EN: For me, that movie was way too long. 翻譯: 對我來說,那部電影實在太長了。

EN:For real, you need to see this!

翻譯:說真的,你一定要看看這個!

停頓填充

在思考或組織語句時,作為短暫的停頓填充詞,類似中文的「那個…」。 EN: I was thinking, for… maybe we should cancel. 翻譯: 我在想,那個…也許我們應該取消。

EN:It’s about, for… how do I put it… the overall feeling.

翻譯:這是關於,那個…該怎麼說呢…整體的感覺。

注意:以上用法均屬非正式口語,在正式寫作或學術文章中應避免使用。

常見短語

What common collocations use "For"?What fixed phrases with "For" should I remember?

for a while

for + [time period]

一段時間

for example

for + [noun]

例如

look for

[verb] + for

尋找

for sale

for + [noun]

出售

ask for

[verb] + for

要求,索取

good for

[adjective] + for

對...有益

for the first time

for + [definite article] + [ordinal number] + time

第一次

wait for

[verb] + for

等待

常見錯誤

What are common mistakes with "For"?Which "For" sentences look correct but are wrong?

×I have lived here for 2010.

I have lived here since 2010.

使用 'for' 表示一段時間的長度(例如:for two years),而 'since' 表示一個時間的起點。

×I went to the store for buying milk.

I went to the store to buy milk.

表達行動的目的時,通常用 'to + 動詞原形'。'For + V-ing' 通常用於描述某物的用途,而非行動的目的。

×I read a book for the flight.

I read a book during the flight.

'For' 表示一段時間的長度,而 'during' 表示在某個事件或時段內發生的動作。

×He was late for the traffic was heavy.

He was late because the traffic was heavy.

'For' 作為連接詞表示原因時,語氣較正式且少用於口語,通常置於主句之後。'Because' 是最常見且通用的原因連接詞。學習者常誤將 'for' 當作 'because' 放在句首。

×I am waiting for two hours.

I have been waiting for two hours.

當描述一個從過去持續到現在(並可能繼續)的動作,且強調其持續的時間長度時,應使用現在完成進行式(have been + V-ing)搭配 'for + 一段時間'。

×I cooked dinner.

I cooked dinner for my family.

當動作是為某人而做時,常需使用 'for + 人' 來明確指出受益者或接收者,否則語意可能不完整。

詞形變化

What are the word forms of "For"?What are tense/participle forms of "For"?
for 在英語中是什麼意思?