1. at or to the back of someone or something
在...後面；向...後面
The cat is hiding behind the sofa.
貓躲在沙發後面。
She stood behind me in the queue.
她排隊時站在我後面。
Behind Meaning（定義、用法、例句與發音）
behind
preposition
快速理解
What does "Behind" mean?What are 2-3 core uses of "Behind"?
表示位置在後方、時間上落後，或用於比喻支持或隱藏的情況。
- 1
空間位置
EN: at the back of something
翻譯: 在...的後面
- 2
時間順序
EN: later than or less advanced than
翻譯: 晚於；落後於
- 3
支持或隱藏
EN: supporting or responsible for something
翻譯: 支持；是...的原因
- 4
遺留或留下
EN: remaining after someone has left
翻譯: 留下；遺留在後
小提醒：注意 'behind' 與 'after' 的區別：'behind' 通常指空間上的後方或進度落後，'after' 則多用於時間順序或追趕。
發音（How to Pronounce "Behind" in English）
How to pronounce "Behind" in English?"Behind" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Behind" from YouTube Videos
Steven Schwaitzberg: A universal translator for surgeons
TED
“Now the science behind this is so potent that it became required by the American Board of Surgery in order for a young surgeon to become board certified.”
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Definitions（定義）
What are the definitions of "Behind"?How does "Behind" change by context?
2. responsible for or causing something
是...的原因；對...負責
What's the reason behind your decision?
你決定背後的原因是甚麼？
He was the person behind the successful project.
他是這個成功專案背後的推手。
3. less advanced than or making less progress than
落後於；進度不如
Our team is behind schedule.
我們團隊的進度落後了。
He's behind the rest of the class in math.
他的數學進度落後班上其他同學。
4. supporting or agreeing with someone
支持；贊同
We are all behind you on this issue.
在這個問題上我們都支持你。
The whole company is behind the new policy.
整個公司都支持這項新政策。
5. remaining after someone has left or after an event
留下；遺留
He left a mess behind him.
他留下了一團亂。
The storm left a trail of destruction behind it.
暴風雨過後留下一片狼藉。
Grammar & Patterns（句型）
What are common sentence patterns for "Behind"?How to make natural sentences with "Behind"?
| Pattern | Meaning | Example |
|---|---|---|
| behind + noun/pronoun | 在...後面 | The cat is hiding **behind** the sofa. (貓躲在沙發後面。) |
| be + behind + noun/pronoun | 落後於；進度落後 | Our team is **behind** the schedule. (我們團隊的進度落後了。) |
| leave + noun/pronoun + behind | 留下；遺留 | Don't **leave** your belongings **behind**. (別遺留你的個人物品。) |
| fall/drop/lag + behind | 落後；掉隊 | She started to **fall behind** in the race. (她在比賽中開始落後了。) |
| the reason/idea + behind + noun | ...背後的原因/想法 | What's the **reason behind** his decision? (他決定背後的緣由是什麼？) |
| be + behind + someone | 支持某人 | I'm fully **behind** you on this project. (在這個專案上我完全支持你。) |
用法說明
How is "Behind" different from similar structures?What usage mistakes are common with "Behind"?
behind + 名詞 vs behind + 動名詞 (V-ing)
- behind + 名詞 是最常見的用法，表示空間、時間或抽象概念上的「在…後面」。
- behind + 動名詞 (V-ing) 則用於表示「是…背後的原因」或「支持某個行動」，強調的是抽象的支持或動機。
- 當表示具體位置時，只能用 behind + 名詞，不可用動名詞。
- 當表示「支持、贊助」時，behind + 動名詞 比 behind + 名詞 更強調行動本身。 EN: The cat is hiding behind the sofa. 翻譯: 貓咪躲在沙發後面。
EN:What is the reason behind changing the policy?
翻譯:這項政策改變背後的動機是什麼？
總結建議
當表示具體位置時使用「behind + 名詞」，表示抽象原因或支持時則可使用「behind + 動名詞」。
易混淆對比
What is the difference between "Behind" and similar words?How to choose "Behind" vs alternatives?
behind vs after
"behind" 強調位置上的後方或落後狀態；"after" 強調時間或順序上的先後。
behind vs back
"behind" 是介系詞，表示在...後方；"back" 常作名詞、形容詞或副詞，表示背部或後方位置。
behind vs beyond
"behind" 指在物體後方或進度落後；"beyond" 指在更遠的彼方、超出範圍或能力。
口語用法
How is "Behind" used in spoken English?What is the spoken vs formal difference for "Behind"?
引述
在口語中，有時會用 "behind" 來引述或轉述別人的話，表示某句話背後的含義或動機。 EN: What's behind that comment? Is she upset? 翻譯: 那句話背後是什麼意思？她不高興了嗎？
EN:I'm trying to figure out the reasoning behind his decision.
翻譯:我試著想弄懂他決定背後的邏輯。
語氣強調
在非正式對話中，可以將 "behind" 放在句尾或使用特定短語來加強語氣，表示強烈的支持或反對。 EN: I'm 100% behind you on this project. 翻譯: 在這個專案上，我百分之百支持你。
EN:The whole team is behind the new policy.
翻譯:整個團隊都力挺這項新政策。
停頓填充
在思考或組織語句時，有時會用 "behind" 相關的短語作為填充詞，讓對話聽起來更自然。 EN: The idea... behind it all is to improve efficiency. 翻譯: 這個想法…背後的用意是要提升效率。
EN:So, the story behind that is actually pretty funny.
翻譯:所以，那件事背後的故事其實蠻好笑的。
正式寫作注意：在學術或正式書面語中，應避免將 "behind" 用於上述口語的引述或填充停頓用法，這可能被視為不夠精確或過於隨意。建議使用更明確的詞彙，如 "the rationale for"、"motivated by" 或 "in support of"。
常見短語
What common collocations use "Behind"?What fixed phrases with "Behind" should I remember?
behind schedule
be behind schedule
落後於預定時間表
behind the times
be behind the times
落伍的，跟不上時代的
behind someone's back
do something behind someone's back
在某人背後（通常指秘密地或欺騙性地）
fall behind
fall behind (someone/something)
落後（於某人或某事）
leave behind
leave (something/someone) behind
留下，遺忘；拋在身後
behind the scenes
behind the scenes
在幕後，私下地
behind bars
be/put someone behind bars
在監獄裡；關進監獄
常見錯誤
What are common mistakes with "Behind"?Which "Behind" sentences look correct but are wrong?
×I am behind of the door.
✓I am behind the door.
作為介系詞時，'behind' 後面直接接名詞，不需要額外的 'of'。
×He is behind the schedule.
✓He is behind schedule.
在固定片語 'behind schedule'（進度落後）中，不使用定冠詞 'the'。
×She left her bag after.
✓She left her bag behind.
表示「遺留、留下」時，應使用副詞 'behind'，而非介系詞 'after'。'After' 主要用於時間順序。
×The reason behind of his success is hard work.
✓The reason behind his success is hard work.
當 'behind' 用於比喻「背後的原因、動機」時，它仍然是介系詞，後面直接接名詞，不加 'of'。
×He stood behind me to support.
✓He stood behind me to support me. / He supported me from behind.
原句語意不清，'to support' 缺少受詞。應明確指出支持的對象，或使用更自然的表達方式。
×The sun disappeared behind the mountain.
✓The sun disappeared behind the mountains.
雖然語法正確，但在描述太陽下山等自然景象時，使用複數名詞 'mountains' 或 'hills' 更為常見和自然。
詞形變化
What are the word forms of "Behind"?What are tense/participle forms of "Behind"?