operation
gb/ˌɑpɚˈeɪʃən/ us/ˌɑpɚˈeɪʃən/
A2
英語
~ 700
művelet, akció, műtét, működés, üzem
名詞
B1
1
用法パターン：
to carry out [an operation]
The rescue operation saved dozens of people trapped in the building.
A mentőakció során több tucat, az épületben rekedt embert mentettek ki.
The police launched a major operation to catch the drug traffickers.
A rendőrség nagyszabású akciót indított a drogkereskedők elfogására.
The charity’s latest operation aims to provide clean water to remote villages.
学習者向け例文
The rescue operation helped many people.
A mentőakció sok emberen segített.
The police started an operation to find the missing child.
A rendőrség akciót indított az eltűnt gyermek megtalálására.
The company began an operation to open a new store.
よくある間違い：
Learners sometimes confuse 'operation' with 'opportunity'. 'Operation' means an organized activity, not a chance to do something.
意味
Planned activity to achieve something
コロケーション
military operation
|rescue operation
|covert operation
|joint operation
|police operation
類義語
mission (Often used for military or space contexts, slightly more formal.)
|
undertaking (Emphasizes a project or task, often large or challenging.)
対義語
inaction (The absence of any activity toward a goal.)
テーマ
business
|military
|daily life
|work
定義
A planned set of actions done to reach a goal.
An organized and coordinated activity or process carried out to achieve a specific purpose.
名詞
A2
2
műtét
B1
用法パターン：
to have [an operation]
She had an operation on her knee last year.
Tavaly térdműtéte volt.
The patient needs an urgent heart operation.
A betegnek sürgős szívműtétre van szüksége.
After the operation, he stayed in the hospital for two weeks.
学習者向け例文
I had an operation on my leg.
Műtétem volt a lábamon.
The doctor will do the operation tomorrow.
Az orvos holnap végzi el a műtétet.
He is better after the operation.
よくある間違い：
Learners sometimes confuse 'operation' with 'treatment'. An 'operation' is specifically surgical.
意味
Medical surgery or procedure
コロケーション
have an operation
|undergo an operation
|life-saving operation
|minor operation
|surgical operation
類義語
surgery (More common in medical contexts; refers specifically to the procedure.)
対義語
noninvasive treatment (A treatment that does not require cutting into the body.)
テーマ
health
|medicine
|body
定義
A medical treatment where doctors cut into the body to fix a problem.
A medical procedure in which doctors cut into the body to repair, remove, or replace something.
名詞
B1
TECHNICAL
3
用法パターン：
[something] is in operation
The new subway line will be in operation next year.
Az új metróvonal jövőre áll majd üzembe.
This machine has been in continuous operation for 24 hours.
Ez a gép 24 órája folyamatos üzemben van.
Due to maintenance, the elevator is out of operation.
学習者向け例文
The bus service is in operation today.
A buszjárat ma közlekedik.
The machine is out of operation now.
A gép most üzemen kívül van.
The factory is in full operation.
意味
State of working or being active
コロケーション
in operation
|out of operation
|put into operation
|cease operation
類義語
functioning (Refers broadly to something working as intended.)
対義語
shutdown (When something stops working or is turned off.)
テーマ
technology
|engineering
|science
定義
When a machine or system is working and doing its job.
The condition of a machine, system, or process being active and working as intended.
名詞
B2
TECHNICAL
4
művelet
B1
Addition and subtraction are basic mathematical operations.
Az összeadás és a kivonás alapvető matematikai műveletek.
The program performs several operations on the input data.
A program több műveletet hajt végre a bemeneti adatokon.
Division is the opposite of the multiplication operation.
学習者向け例文
Addition is a math operation.
Az összeadás matematikai művelet.
We use this operation to get the answer.
Ezt a műveletet használjuk, hogy megkapjuk az eredményt.
Multiplication is an important math operation.
意味
Mathematical or logical process
コロケーション
mathematical operation
|logical operation
|basic operations
類義語
calculation (Emphasizes the result of applying mathematical operations.)
対義語
data storage (Keeping data without changing it.)
テーマ
mathematics
|computing
|science
|technology
|education
定義
A way of working with numbers or data, like adding or multiplying.
A process in mathematics or computing that changes numbers, data, or objects according to specific rules.
文法
辞書形
operation
IPA
GB/ˌɑpɚˈeɪʃən/
US/ˌɑpɚˈeɪʃən/
音節・強勢
op - er - a - tion （4音節）
Stress on 2nd syllable (er)
活用形
Noun
- Base: operation
- Plural: operation, operations
関連語
Forms
operations
noun
Related words
operational
adjective B1
operationally
adverb
Negative and opposite forms
inoperative
adjective
inoperable
adjective
Advanced or less common
operative
adjective B2
表現
in operation
1/ˈɪn ˌɑpɚˈeɪʃən/
fixed phrase
Currently working or active
Working and being used right now.
例文
- The new airport terminal is now in operation.
- The old factory has not been in operation for years.
out of operation
1/ˈaʊt əv ˌɑpɚˈeɪʃən/
fixed phrase
Not working or active at present
Not working or being used right now.
例文
- The elevator is out of operation due to repairs.
- The website will be out of operation for maintenance tonight.
covert operation
1/kˈoʊvɚt ˌɑpɚˈeɪʃən/
fixed phrase
secret planned military or spy action
A planned military, spy, or political action that is done in secret so that people do not know who is behind it.
例文
- They carried out a covert operation to gather intelligence.
- They authorized a covert operation to gather intelligence inside the country.
- The covert operation was revealed by journalists.
- The book reveals several covert operations carried out during the war.
- Congress demanded to know who had approved the covert operation.
military operation
1/mˈɪlɪtˌɛɹi ˌɑpɚˈeɪʃən/
fixed phrase
Planned action by soldiers
An organized action by the army, navy, or air force to reach a goal.
例文
- The military operation lasted three weeks.
- The military operation lasted three days.
- They planned a joint military operation with allied forces.
- Several countries joined the military operation.