A2 noun ニュートラル #368 よく出る

expert

/ˈek.spɜːrt/

An expert is a person who has a very high level of knowledge or skill in a particular subject or activity. This person has usually studied the topic for a long time or has many years of practical experience.

例文

3 / 5
1

My father is an expert at fixing old cars.

My dad is very good at repairing old vehicles.

2

The government consulted an expert on public health.

The government asked a specialist for advice about health.

3

You should ask Sarah for help; she's a total expert with computers.

Sarah knows everything about computers, so ask her.

語族

名詞
expert
副詞
expertly
形容詞
expert
関連
expertise
💡

覚え方のコツ

Connect 'EXpert' with 'EXperience'. You need a lot of EXperience to become an EXpert.

クイックテスト

If you have a complicated legal problem, you should talk to a legal ______.

正解!

正解は: expert

例文

1

My father is an expert at fixing old cars.

everyday

My dad is very good at repairing old vehicles.

2

The government consulted an expert on public health.

formal

The government asked a specialist for advice about health.

3

You should ask Sarah for help; she's a total expert with computers.

informal

Sarah knows everything about computers, so ask her.

4

According to the expert, the painting was created in the 15th century.

academic

The specialist said the painting is from the 1400s.

5

We hired a marketing expert to help us sell our new product.

business

We employed a professional to improve our sales strategy.

語族

名詞
expert
副詞
expertly
形容詞
expert
関連
expertise

よく使う組み合わせ

expert advice expert advice
technical expert technical expert
expert opinion expert opinion
leading expert leading expert
become an expert become an expert

よく使うフレーズ

an expert in

someone with deep knowledge in a field

an expert on

someone who knows a lot about a specific topic

expert at

someone who is very good at doing a specific action

よく混同される語

expert vs professional

A professional is someone who gets paid for their work, while an expert is someone who has the highest level of skill (though people are often both).

📝

使い方のコツ

Use 'expert in' for fields of study (biology, history) and 'expert at' for skills or activities (cooking, dancing). The word can be used as both a noun (a person) and an adjective (describing a skill).

⚠️

よくある間違い

Learners often forget to use 'an' instead of 'a' before 'expert' because it starts with a vowel sound. Also, do not confuse the noun 'expert' with the noun 'expertise' (the knowledge itself).

💡

覚え方のコツ

Connect 'EXpert' with 'EXperience'. You need a lot of EXperience to become an EXpert.

📖

語源

From the Latin word 'expertus', which is the past participle of 'experiri', meaning 'to try' or 'to test'.

文法パターン

Countable noun Takes the indefinite article 'an' Plural form is 'experts'
🌍

文化的な背景

In many Western cultures, experts are frequently featured on news programs to provide authoritative commentary on current events.

クイックテスト

If you have a complicated legal problem, you should talk to a legal ______.

正解!

正解は: expert

関連単語

anteruptism

C1

Describing the specific state, conditions, or period occurring immediately before a sudden rupture, eruption, or systemic failure. It is used to characterize the buildup of tension and the identifiable indicators that precede a significant disruption.

synputity

C1

Synputity refers to the state or quality of synthesized inputs being perfectly integrated and pure, resulting in a seamless and uncorrupted whole. It is often used in technical or philosophical contexts to describe the ideal blending of diverse data or elements into a single, cohesive entity.

extramercent

C1

A noun referring to a secondary or non-standard commercial transaction, typically one that occurs outside of regulated primary markets. In a test-prep context, it describes an ancillary payment or exchange used to facilitate trade in niche or informal economic sectors.

ultrasignless

C1

Describes something that is completely devoid of any identifying marks, symbols, or signals, often to an extreme or absolute degree. It refers to a state of total anonymity or lack of distinctive characteristics in a physical or semiotic sense.

inlocness

C1

To precisely identify, fix, or anchor an object or concept within its specific geographic or systemic location. It describes the active process of mapping or assigning a permanent place to something within a predefined framework.

devestation

C1

Devastation refers to widespread and severe destruction or damage to a place or object. It can also describe the state of extreme emotional shock, grief, or overwhelm felt by a person.

intranavize

C1

The systemic process or framework of internal navigation within a complex, closed-circuit digital environment or architectural structure. It refers specifically to the methodology used to move between non-public nodes or data points in a secure system.

exgenent

C1

Requiring immediate action or attention; pressing or demanding. It is often used to describe urgent circumstances or a person who is extremely demanding and exacting.

adpelent

C1

A technical or pseudo-word often appearing in lexical proficiency tests, referring to an agent or substance designed to drive away or repel unwanted elements. It follows Latin morphological patterns but is not found in standard modern English dictionaries, serving primarily as a distractor in linguistic assessments.

propassward

C1

A high-security, professional-grade authentication credential used primarily in digital proctoring and secure certification systems. It functions as an advanced passphrase that often integrates multi-factor verification to ensure the identity of a user during high-stakes testing or sensitive data access.

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