1. to require something because it is essential or very important
需要，必須有（某物）
Plants need water and sunlight to grow.
植物需要水和陽光才能生長。
I need a new pair of shoes.
我需要一雙新鞋。
Need Meaning（定義、用法、例句與發音）
need
verb
快速理解
What does "Need" mean?What are 2-3 core uses of "Need"?
作為動詞，need 主要表示「需要」或「必須」，表達對某物或做某事的要求或必要性。
- 1
需要某物
EN: to require something because it is essential or very important
翻譯: 表示因為某物是必需或非常重要而需要它。
- 2
必須做某事
EN: to have to do something because it is necessary
翻譯: 表示因為有必要而必須做某事。
- 3
缺乏而需要
EN: to be in a situation where something is lacking and must be obtained
翻譯: 表示處於缺乏某物而必須獲得的狀況。
- 4
值得或應得
EN: to deserve or require a particular action or treatment
翻譯: 表示值得或應得某種對待或行動。
小提醒：注意 need 作為動詞時，後面可直接接名詞（need water），也可接不定詞（need to go）。在否定句和疑問句中，常與助動詞 do 連用（Do you need...? / I don't need...）。
發音（How to Pronounce "Need" in English）
How to pronounce "Need" in English?"Need" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Need" from YouTube Videos
South Korea would accept Trump-Kim deal to freeze North Korea’s nuclear programme | BBC News
BBC News
“And Kim Jong-un saying, really for the first time since Trump returned to office, that he would be willing to sit down with President Trump, but with this one key caveat: that the US would need to drop this demand for North Korea to get rid of its nuclear weapons, this denuclearization which has been on the table before.”
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Definitions（定義）
What are the definitions of "Need"?How does "Need" change by context?
2. to have to do something; to be necessary
必須，有必要（做某事）
You need to finish your homework before you go out.
你必須在出門前完成作業。
Does she need to know about this?
她有必要知道這件事嗎？
3. to be in a situation where something is required or wanted
處於需要…的狀態；缺乏
This old house needs a lot of repairs.
這棟老房子需要大量修繕。
He looks like he needs a good night's sleep.
他看起來需要好好睡一覺。
4. used to say that something should or should not be done
（用於表示某事應該或不應該做）
You needn't worry about the details.
你不必擔心細節。
Need I remind you of the deadline?
需要我提醒你截止日期嗎？
Grammar & Patterns（句型）
What are common sentence patterns for "Need"?How to make natural sentences with "Need"?
| Pattern | Meaning | Example |
|---|---|---|
| need + noun | 需要（某物） | I need a new phone. (我需要一支新手機。) |
| need + to + V | 需要（做某事） | She needs to finish her homework. (她需要完成她的作業。) |
| need + V-ing | 需要被…（被動含義） | The car needs washing. (這輛車需要清洗。) |
| need + not + V (needn't) | 不必，不需要 | You needn't worry about it. (你不必擔心這件事。) |
| do not need to + V (don't need to) | 不需要（做某事） | He doesn't need to work today. (他今天不需要工作。) |
| need + adverb | 需要…（以某種方式） | We need urgently to find a solution. (我們迫切需要找到一個解決方案。) |
| need + for + noun | 為了…的需要 | There is a need for more volunteers. (需要更多的志願者。) |
用法說明
How is "Need" different from similar structures?What usage mistakes are common with "Need"?
need doing vs need to do
- need doing 表示某物「需要被…」，主詞通常是事物，且動詞的 -ing 形式帶有被動含義，類似於 "need to be done"。
- need to do 表示某人「需要去做…」，主詞通常是人或有意志的主體，強調主動的意圖或責任。
- 在英式英語中，"need doing" 是常見且自然的用法；在美式英語中，則更常使用 "need to be done" 或 "need to be + 過去分詞" 的結構。
- 當主詞是事物時，兩種結構可能語意相近，但 "need doing" 聽起來更簡潔地道。
對比例句： EN: The plants need watering. 翻譯: 這些植物需要澆水了。
EN:I need to water the plants.
翻譯:我需要去給植物澆水。
EN:This report needs checking carefully.
翻譯:這份報告需要仔細檢查。
EN:You need to check this report carefully.
翻譯:你需要仔細檢查這份報告。
總結建議
當主詞是「事物」且表達「需要被處理」時，使用 "need doing" 更為地道；當主詞是「人」且表達主動的責任或意圖時，則使用 "need to do"。
易混淆對比
What is the difference between "Need" and similar words?How to choose "Need" vs alternatives?
need vs want
「need」強調必要性或迫切性，而「want」則表達慾望或喜好。
need vs require
「need」較口語且通用，「require」較正式且常帶有規則或條件性。
need vs must
「need」強調需求或必要性，「must」強調義務、強制或強烈的推斷。
口語用法
How is "Need" used in spoken English?What is the spoken vs formal difference for "Need"?
引述
在轉述他人需求或想法時，口語中常用「need to」來引述，語氣較為自然。 EN: She said she needs to leave by five. 翻譯: 她說她五點前得走了。
EN:He mentioned he needs to talk to you.
翻譯:他提到他需要跟你談談。
語氣強調
在口語中，常透過重讀「need」或加上「really」、「definitely」等詞來強調必要性或急迫性。 EN: I really need you to focus right now. 翻譯: 我現在真的需要你專心。
EN:You definitely need to see this!
翻譯:你一定要看看這個！
停頓填充
在思考或組織語句時，「need to」有時會與「um」、「you know」等填充詞連用，或將「to」後的內容稍作停頓。 EN: So, what I need to… you know, figure out is the budget. 翻譯: 所以，我需要…你知道的，搞清楚的是預算。
EN:We need to, um, maybe discuss this later.
翻譯:我們需要，呃，或許晚點再討論這個。
正式書寫注意：在正式書面語（如報告、論文）中，應避免使用上述口語中的停頓填充詞或過於隨意的引述方式。建議使用更完整、結構清晰的句子，例如將「She said she needs to...」改寫為「She indicated a requirement to...」。
常見短語
What common collocations use "Need"?What fixed phrases with "Need" should I remember?
need to do something
need to + VERB
必須做某事
need doing
need + VERB-ing
需要被…（表示被動含義）
badly need
badly need + NOUN
迫切需要
if need be
if need be
如果有必要的話
in need of
in need of + NOUN
需要…，缺乏…
don't need to
do not need to + VERB
不需要做…
all you need
all you need + is/are + NOUN / to VERB
你所需要的全部就是…
常見錯誤
What are common mistakes with "Need"?Which "Need" sentences look correct but are wrong?
×You need not to worry.
✓You need not worry.
當 "need" 用作情態動詞時（主要用於否定句和疑問句），後面直接接動詞原形，不加 "to"。
×Need you to help me?
✓Do you need me to help you?
在大多數現代英語的疑問句中，"need" 作為普通動詞使用，需要助動詞 "do/does/did" 來形成疑問句。情態動詞 "need" 的疑問形式（Need you...?）較為正式且不常見。
×The car needs repaired.
✓The car needs to be repaired.
表達「某物需要被...」時，必須使用被動不定式 "to be + 過去分詞"，或使用 "need + V-ing" 的結構（英式英語常見）。不能直接接過去分詞。
×You need submit the form today. (想表達強制性)
✓You must submit the form today.
"need" 表達的是必要性或需求，語氣較弱；"must" 表達的是強制性、義務或強烈的建議。在規則、命令或法律義務的語境中，通常用 "must"。
×You don't need hurry.
✓You don't need to hurry.
在否定句中，當 "need" 作為普通動詞使用時（更常見），結構是 "do/does/did + not + need + to + 動詞原形"。必須保留 "to"。
×There is a need of water.
✓There is a need for water.
當 "need" 作為名詞，表示「對...的需求」時，後面接的介系詞通常是 "for"，而不是 "of"。
詞形變化
What are the word forms of "Need"?What are tense/participle forms of "Need"?
needs(3rd_singular)needing(present_participle)needed(past)needed(past_participle)