1. to have information or knowledge about something in your mind
知道，瞭解
I know the answer to that question.
我知道那個問題的答案。
Do you know what time it is?
你知道現在幾點嗎？
She knows a lot about history.
她對歷史瞭解很多。
Know Meaning（定義、用法、例句與發音）
know
verb
快速理解
What does "Know" mean?What are 2-3 core uses of "Know"?
「know」表示擁有資訊、理解事實，或熟悉某人事物。
- 1
知道資訊
EN: to have information or facts in your mind
翻譯: 指在腦海中擁有資訊或事實。
- 2
認識某人
EN: to be familiar with a person, place, or thing
翻譯: 指對某人、某地或某事物熟悉。
- 3
理解技能
EN: to understand a subject or skill through experience
翻譯: 指透過經驗理解某個學科或技能。
- 4
辨識區分
EN: to be able to recognize or distinguish something
翻譯: 指能夠辨認或區分某事物。
小提醒：注意「know」是狀態動詞，通常不用進行式（knowing）。想表達「正在認識」可用「getting to know」。
發音（How to Pronounce "Know" in English）
How to pronounce "Know" in English?"Know" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Know" from YouTube Videos
South Korea would accept Trump-Kim deal to freeze North Korea’s nuclear programme | BBC News
BBC News
“But >>. do you think China is enabling North Korean's nuclear weapons program? It's impossible to know, But no, that's not our understanding.”
(1 out of 757)
Definitions（定義）
What are the definitions of "Know"?How does "Know" change by context?
2. to be acquainted or familiar with a person, place, or thing
認識，熟悉
I've known him since we were children.
我從小就認識他了。
Do you know this city well?
你對這個城市熟悉嗎？
Everyone knows that restaurant for its great food.
大家都知道那家餐廳的食物很棒。
3. to have learned a skill or language
掌握，會（技能或語言）
He knows how to play the piano.
他會彈鋼琴。
Do you know any Spanish?
你會說西班牙語嗎？
She knows several programming languages.
她掌握好幾種程式語言。
4. to be certain or sure about something
確信，肯定
I know I left my keys on the table.
我確信我把鑰匙留在桌上了。
We know for a fact that he will be there.
我們肯定他會在那裡。
She knew she had made the right decision.
她確信自己做了正確的決定。
5. to have personal experience of a feeling or situation
經歷過，體會過
He has never known true happiness.
他從未體會過真正的快樂。
They knew great hardship during the war.
他們在戰爭期間經歷了巨大的艱辛。
I know what it's like to lose someone you love.
我體會過失去所愛之人的感受。
Grammar & Patterns（句型）
What are common sentence patterns for "Know"?How to make natural sentences with "Know"?
| Pattern | Meaning | Example |
|---|---|---|
| know + noun/pronoun | 知道（某人或某事） | I know the answer. (我知道答案。) |
| know + that-clause | 知道（某件事實） | She knows that he is lying. (她知道他在說謊。) |
| know + wh-clause (what, where, how, etc.) | 知道（具體內容、方式、地點等） | Do you know where she lives? (你知道她住在哪裡嗎？) |
| know + about/of + noun | 聽說過；對…有所了解 | I know of a good restaurant nearby. (我知道附近有一家不錯的餐廳。) |
| know + how to + V | 知道如何做… | He knows how to swim. (他知道怎麼游泳。) |
| know + object + to + V (formal) | 知道（某人）會做… | I know him to be an honest man. (我知道他是個誠實的人。) |
| be known + to + V | 被知道會…；以…聞名 | He is known to be very generous. (他以慷慨聞名。) |
| be known + as + noun | 被稱為…；以…身份聞名 | She is known as a great artist. (她以偉大的藝術家聞名。) |
| be known + for + noun/V-ing | 因…而聞名 | This town is known for its hot springs. (這個小鎮以溫泉聞名。) |
| let someone know | 告知某人 | Please let me know if you need help. (如果你需要幫助，請告訴我。) |
用法說明
How is "Know" different from similar structures?What usage mistakes are common with "Know"?
know + 名詞/子句 vs know how to + V
- know + 名詞/子句 表示「知道、認識、了解」某個事實、資訊或人。
- know how to + V 則特指「知道如何做、懂得做」某件事，強調具備技能或方法。
- 在否定或疑問句中，know 後面可直接接 wh- 子句（如 where, when, why, what），但 know how to 的結構是固定的。
- 注意：know to + V 不是標準用法來表達「知道如何做」，這個意思必須用 know how to。
對比範例： EN: I know the answer. 翻譯: 我知道答案。
EN:I know how to solve this problem.
翻譯:我知道如何解決這個問題。
EN:She knows that he is coming.
翻譯:她知道他要來。
EN:She knows how to drive a manual car.
翻譯:她懂得如何開手排車。
總結建議
表達「知道如何做某事」時，務必使用 know how to + 動詞原形 的結構，而非 know to + V。
易混淆對比
What is the difference between "Know" and similar words?How to choose "Know" vs alternatives?
know vs understand
「know」強調知道事實或認識某人，而「understand」強調理解含義、原理或情感。
know vs meet
「know」表示持續的認識狀態，「meet」表示初次見面或相聚的動作。
know vs realize
「know」指已知的知識，「realize」指突然意識到或明白某事。
口語用法
How is "Know" used in spoken English?What is the spoken vs formal difference for "Know"?
引述
在轉述他人知道或不知道某事時，常用「I know」或「I don't know」的縮略形式來開頭，使對話更流暢自然。 EN: I know she said she'd be late, but this is too much. 翻譯: 我知道她說過會遲到，但這也太誇張了。
EN:I don't know if he told you, but the meeting's cancelled.
翻譯:我不知道他有沒有告訴你，但會議取消了。
語氣強調
在口語中，常透過重音、拉長音或添加副詞來強調「知道」的程度，或表達不耐煩、恍然大悟等情緒。 EN: I know! You don't have to keep reminding me. 翻譯: 我知道啦！你不用一直提醒我。
EN:Oh, now I know exactly what you mean.
翻譯:哦，現在我完全明白你的意思了。
停頓填充
「You know」或「I don't know」常作為對話中的填充詞，用來爭取思考時間、緩和語氣，或尋求聽者的認同。 EN: It's just, you know, a feeling I can't shake off. 翻譯: 就是，你知道，一種我擺脫不了的感覺。
EN:I don't know... maybe we should just leave it for now.
翻譯:我不知道欸...或許我們現在就先這樣吧。
正式書寫注意：上述口語用法，特別是作為填充詞的「you know」和帶有強烈情緒的強調說法，在正式書面報告、學術論文或商業文件中應避免使用，以保持文體的嚴謹與客觀。
常見短語
What common collocations use "Know"?What fixed phrases with "Know" should I remember?
know about
know about [something]
對某事有所了解或知曉
know how to
know how to [do something]
知道如何做某事，具備做某事的技能或知識
know of
know of [someone/something]
聽說過或知道有某人/某事的存在
know by heart
know [something] by heart
熟記，背得滾瓜爛熟
know for a fact
know for a fact that [clause]
確切知道，確信無疑
know the ropes
know the ropes
熟悉內情，懂得竅門
know best
know best
最了解情況，知道什麼是最好的
know inside out
know [something] inside out
瞭若指掌，徹底了解
常見錯誤
What are common mistakes with "Know"?Which "Know" sentences look correct but are wrong?
×I know the history of Rome.
✓I know about the history of Rome.
使用 'know' 表示對某人或某事物有直接、深入的認識或熟悉。使用 'know about' 表示對某個主題有知識或資訊，但可能不是專家級的深入理解。當談論一個廣泛的主題、領域或事實性資訊時，通常用 'know about'。
×He knows to swim.
✓He knows how to swim.
表達「知道如何做某事」時，必須使用 'know how to + 動詞' 的結構。單獨的 'know to + 動詞' 通常用於表示「知道應該做某事」或「被告知要做某事」，語意不同。
×I knew him at the party last year.
✓I met him at the party last year.
'know' 表示一種持續的狀態（認識、知道），而 'meet' 表示第一次見面或相遇的那個動作。描述初次見面的場合或事件時，應使用 'meet' 的過去式 'met'。
×I know him for ten years.
✓I have known him for ten years.
當 'know' 表示「認識」某人或某事物，且強調從過去某個時間點開始持續到現在的狀態時，必須使用現在完成式 'have known'，因為這是一個持續性的狀態動詞。簡單現在式 'know' 無法表達持續的時間段。
×I don't know this math problem.
✓I don't understand this math problem.
'know' 通常指擁有資訊、事實或認識某人。'understand' 則指理解概念、原因、意義或運作方式。對於一個需要理解其原理、步驟或邏輯的問題、概念或解釋，更適合用 'understand'。
×Do you know?
✓Do you know about it? / Do you know him?
及物動詞 'know' 通常需要一個受詞（名詞、子句或 'about + 名詞'）。單獨使用 'Do you know?' 在大多數情況下聽起來不完整，除非是在非常特定的上下文（例如回應一個未說明的問題）。應明確指出知道的是什麼。
詞形變化
What are the word forms of "Know"?What are tense/participle forms of "Know"?
knows(3rd_singular)knowing(present_participle)knew(past)known(past_participle)