英語

operator

gb/ˈɑpɚˌeɪtɚ/ us/ˈɑpɚˌeɪtɚ/
B1 英語
~ 2700
語義
0件の語義
名詞 B1 entity
1

Person who runs a machine or system

A person who works with or controls a machine, system, or company.

用法パターン: [someone] is an operator of [a machine/system]
よくある間違い:
Learners sometimes confuse 'operator' with 'owner'; an operator may not own the machine or business they run.
類義語
controller (More general; can refer to someone who oversees operations without directly handling equipment.) | handler (Often used for someone physically operating equipment, sometimes with a more manual emphasis.)
対義語
passenger (Refers to someone being transported rather than controlling the vehicle or machine.)
コロケーション
machine operator |telephone operator |system operator |camera operator
テーマ
jobs |technology |business |work |core_vocabulary
例文
  • The crane operator lifted the steel beams into place.
  • You need to call the telephone operator to connect your call.
  • The system operator will reboot the server tonight.
  • A skilled camera operator can make a big difference in film quality.
学習者向け例文
  • The bus operator drives the bus.
  • She is a telephone operator.
  • The camera operator films the show.
  • The machine operator works in the factory.
名詞 technical B2 entity
2

Mathematical symbol or function

A sign or word in math or computers that shows what to do with numbers or data.

よくある間違い:
Learners may confuse 'operator' with 'operation'; an operator is the symbol or function, while an operation is the act itself.
類義語
symbol (General term for a sign; not all symbols are operators.)
対義語
operand (Refers to the value that the operator acts on, not the action itself.)
コロケーション
logical operator |arithmetic operator |assignment operator
テーマ
mathematics |computing |science |technology |education
例文
  • In this equation, the plus sign is the addition operator.
  • The program uses a logical AND operator to combine conditions.
  • Multiplication is represented by the * operator in many programming languages.
学習者向け例文
  • The plus sign is an operator.
  • We use an operator to add numbers.
  • The star (*) is a multiply operator.
名詞 B1 entity
3

Person running a business

A person who runs and controls a business.

用法パターン: [someone] is an operator of [a business]
よくある間違い:
Some learners think 'operator' here means only 'owner', but it can also mean someone managing without owning.
類義語
manager (Focuses more on administrative duties; may not imply ownership.) | entrepreneur (Implies starting and owning the business, often with innovation.)
対義語
customer (The person receiving services from a business rather than running it.)
コロケーション
tour operator |casino operator |hotel operator
テーマ
business |work |finance
例文
  • He’s a successful tour operator with clients all over the world.
  • The casino operators are lobbying for new regulations.
  • Small hotel operators often rely on online reviews.
学習者向け例文
  • My uncle is a tour operator.
  • The hotel operator was very friendly.
  • She works as a bus tour operator.
文法
辞書形
operator
IPA
GB/ˈɑpɚˌeɪtɚ/
US/ˈɑpɚˌeɪtɚ/
音節・強勢
op - er - at - or (4音節)
Stress on 1st syllable (op)
活用形
Noun
  • Base: operator
  • Plural: operators
関連語
Forms
operators noun
Core family
operate verb A2 operation noun B1 operational adjective B1
Related words
operative adjective B2 operationally adverb
Negative and opposite forms
inoperative adjective
Advanced or less common
operable adjective operability noun
表現

smooth operator

1
/smˈuð ˈɑpɚˌeɪtɚ/
idiom informal

Charming and persuasive person

A person who talks and acts in a very charming way to get what they want.

例文
  • He’s such a smooth operator—he always knows what to say to close the deal.
  • Watch out for her; she’s a smooth operator when it comes to negotiations.

telephone operator

1
/tˈɛləfˌoʊn ˈɑpɚˌeɪtɚ/
fixed phrase

Person connecting phone calls

A person whose job is to help connect telephone calls.

例文
  • I asked the telephone operator to connect me to the main office.
  • In the past, every long-distance call went through a telephone operator.

tour operator

1
/tˈʊɹ ˈɑpɚˌeɪtɚ/
fixed phrase

Business selling travel packages

A company or person that plans and sells trips for people.

例文
  • We booked our vacation through a local tour operator.
  • Tour operators often offer discounts for large groups.

おかえりなさい!

続行するにはログインしてください。

アカウントをお持ちでない方 新規登録