1. a planned activity involving many people performing different actions
一項涉及多人執行不同行動的計畫性活動
The rescue operation was a success.
這次救援行動非常成功。
The company launched a major marketing operation.
該公司展開了一項重大的行銷行動。
Operation Meaning（定義、用法、例句與發音）
operation
noun
快速理解
What does "Operation" mean?What are 2-3 core uses of "Operation"?
「operation」主要指有組織的活動、醫療手術或機器運作。
- 1
有組織的活動
EN: a planned activity involving many people
翻譯: 指涉及多人的有計劃活動，如軍事行動或商業營運。
- 2
醫療手術
EN: a medical procedure performed by a surgeon
翻譯: 指外科醫生進行的醫療手術。
- 3
機器運作
EN: the functioning of a machine or system
翻譯: 指機器或系統的運作、運行狀態。
- 4
數學運算
EN: a mathematical process
翻譯: 指加法、減法等數學運算。
小提醒：注意「operation」在商業和軍事情境中常譯為「行動」或「作戰」，而在醫療情境中則譯為「手術」，需根據上下文判斷。
發音（How to Pronounce "Operation" in English）
How to pronounce "Operation" in English?"Operation" US vs UK pronunciation
點擊下方的 US / UK 按鈕可播放發音。
Real-life Examples of "Operation" from YouTube Videos
Steven Schwaitzberg: A universal translator for surgeons
TED
“these two things are actually related and I want to tell you how tonight. Now, nobody wants an operation.”
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Definitions（定義）
What are the definitions of "Operation"?How does "Operation" change by context?
2. the way a system, machine, or organization works
系統、機器或組織運作的方式
The operation of the new software is very smooth.
這款新軟體的運作非常順暢。
We need to understand the operation of the market.
我們需要了解市場的運作方式。
3. a medical procedure in which a surgeon cuts open the body to treat a disease or injury
外科醫生切開身體以治療疾病或損傷的醫療程序
He had an operation to remove his appendix.
他動了手術切除闌尾。
The patient is recovering well after the heart operation.
病人在心臟手術後恢復良好。
4. a mathematical process such as addition, subtraction, multiplication, or division
如加法、減法、乘法或除法等數學運算
Children learn basic mathematical operations in elementary school.
孩子們在小學學習基本的數學運算。
The order of operations is important in solving this equation.
運算順序對於解這個方程式很重要。
5. a business or company, especially a part of a larger organization
企業或公司，尤指大型組織的一部分
The company has operations in over twenty countries.
該公司在二十多個國家設有營運據點。
The Asian operation is the most profitable division.
亞洲業務部門是最賺錢的部門。
Grammar & Patterns（句型）
What are common sentence patterns for "Operation"?How to make natural sentences with "Operation"?
| Pattern | Meaning | Example |
|---|---|---|
| operation + of + noun | ...的運作 | The operation of the machine is very complex. (這台機器的運作非常複雜。) |
| operation + on + noun | 對...的手術 | He underwent a major operation on his heart. (他接受了一次重大的心臟手術。) |
| be in operation | 運作中；生效中 | The new factory has been in operation since January. (這座新工廠自一月起已開始運作。) |
| come into operation | 開始運作；生效 | The new regulations will come into operation next month. (新規定將於下個月開始生效。) |
| perform/carry out an operation | 執行手術；進行操作 | The surgeon will perform the operation tomorrow. (外科醫生將於明天執行手術。) |
| a military operation | 軍事行動 | The government authorized a covert military operation. (政府授權了一項秘密軍事行動。) |
| a business operation | 商業營運 | The company is expanding its business operations in Asia. (該公司正在擴展其在亞洲的商業營運。) |
用法說明
How is "Operation" different from similar structures?What usage mistakes are common with "Operation"?
operation 與 operation of 的用法區別
- operation 作為可數名詞時，通常指具體的、一次性的「手術」或「行動」。
- operation of 後面接事物時，通常指該事物的「運作、操作、運行」過程或原理，較為抽象。
- 當 operation 指「公司、組織」時，常用複數形式 operations，表示其「業務活動」或「營運」。
- 在軍事或商業情境中，operation 常與代號或名稱連用，構成專有名詞，例如 Operation Desert Storm。 EN: The surgeon performed a delicate operation on the patient's heart. 翻譯: 外科醫生為病人的心臟進行了一場精細的手術。
EN:The operation of this machinery requires specialized training.
翻譯:這台機器的操作需要專業訓練。
EN:The company's overseas operations are expanding rapidly.
翻譯:該公司的海外業務正在迅速擴張。
EN:He explained the basic operation of the internal combustion engine.
翻譯:他解釋了內燃機的基本運作原理。
總結建議
記住：具體的一次性行動或手術用 operation，而抽象的操作過程或原理則常用 operation of。
易混淆對比
What is the difference between "Operation" and similar words?How to choose "Operation" vs alternatives?
operation vs procedure
「operation」通常指外科手術或軍事、商業等大型行動；「procedure」則指完成某事的標準步驟或流程。
operation vs surgery
在醫學上兩者常可互換，但「surgery」更專指外科手術的學科或場所，而「operation」更常指具體的手術行為。
operation vs campaign
「operation」強調有組織、有系統的執行行動；「campaign」則強調為達成特定目標（如宣傳、軍事、政治）而進行的一系列有計劃的活動。
口語用法
How is "Operation" used in spoken English?What is the spoken vs formal difference for "Operation"?
引述
在對話中，當引述或提及一個具體的、正在進行或已計畫的「行動」或「手術」時，常會使用這個詞。 EN: So, the big operation is scheduled for next Tuesday. 翻譯: 所以，那個大手術是排在下星期二。
EN:His whole plan was one smooth operation from start to finish.
翻譯:他的整個計畫從頭到尾就是一場流暢的行動。
語氣強調
在口語中，常與 "whole", "entire", "big", "smooth" 等形容詞連用，以強調行動的規模、複雜性或順暢度。 EN: Pulling off the event was a whole operation in itself. 翻譯: 辦成這場活動本身就是一項大工程。
EN:Getting everyone out safely was a massive operation.
翻譯:讓所有人安全撤離是一項龐大的行動。
停頓填充
有時在思考或組織想法時，會用 "the operation of..." 或 "operation-wise" 作為填充語，引出後續說明。 EN: We need to look at it from an efficiency standpoint, operation-wise. 翻譯: 我們需要從效率的角度來看，營運方面來說。
EN:The main issue, the operation of the system, needs an upgrade.
翻譯:主要問題，系統的運作，需要升級。
正式寫作注意：在正式書面語（如報告、論文）中，應避免使用 "operation-wise" 這類口語化的複合詞，並選擇更精確的術語（如 "in terms of operations", "regarding operational aspects"）。
常見短語
What common collocations use "Operation"?What fixed phrases with "Operation" should I remember?
launch an operation
verb + operation
發起一項行動或任務
smooth operation
adjective + operation
運作順暢
field operation
noun + operation
實地行動；野外作業
covert operation
adjective + operation
秘密行動
military operation
adjective + operation
軍事行動
day-to-day operation
adjective + operation
日常營運
scope of the operation
noun + of + operation
行動的範圍
常見錯誤
What are common mistakes with "Operation"?Which "Operation" sentences look correct but are wrong?
×He had operation on his knee.
✓He had an operation on his knee.
作為可數名詞，指具體的『手術』時，通常需要不定冠詞 'a/an' 或定冠詞 'the'。
×The new policy improved the operations of the company.
✓The new policy improved the operation of the company.
當 'operation' 作為不可數名詞，泛指公司、組織的『營運、運作』時，通常用單數形式，不加 's'。
×She will perform an operation to his heart.
✓She will perform an operation on his heart.
表示對身體某部位進行手術時，固定搭配的介系詞是 'on'，而不是 'to'。
×The army started a big operation to attack the enemy.
✓The army launched a major military operation against the enemy.
描述軍事行動時，更地道的動詞搭配是 'launch'、'conduct' 或 'carry out'，形容詞常用 'military' 來修飾，且對抗的對象介系詞常用 'against'。
×Our company has operation in over 20 countries.
✓Our company has operations in over 20 countries.
當指公司在多個地點的『營運點、業務部門』時，'operation' 常用複數形式 'operations'。
×The operation room is on the third floor.
✓The operating room is on the third floor.
『手術室』的固定說法是 'operating room' (或 'operating theatre')，這裡 'operating' 是動名詞作形容詞，不能用名詞 'operation'。
詞形變化
What are the word forms of "Operation"?What are tense/participle forms of "Operation"?