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Justyna Jupowicz-Kozak

CEO of Professional Science Editing for Scientists @ prosciediting.com

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expert in this

Grammar usage guide and real-world examples

USAGE SUMMARY

The phrase "expert in this" is correct and usable in written English.
It can be used when referring to someone who has a high level of knowledge or skill in a specific area or subject matter. Example: "She is an expert in this field, having published numerous articles and conducted extensive research."

✓ Grammatically correct

News & Media

Science

Wiki

Human-verified examples from authoritative sources

Exact Expressions

60 human-written examples

But Kenya is an expert in this.

News & Media

The Guardian

I would cite him as the expert in this realm".

News & Media

The Guardian

"So overnight I became the world's expert in this subject".

Hey look, just because I'm a writer doesn't mean I'm an expert in this stuff.

News & Media

The Guardian

"Nobody is an expert in this field," the doctor said, "because we have no practice".

News & Media

The New York Times

Even with me, Miss Expert, in this area for 30 years".

News & Media

The New York Times

But we are fairly expert in this marketplace now, and in it to stay".

News & Media

The New York Times

The expert, in this sense, is not a remote "high priest" of high culture.

So to get someone who is an expert in this field, I found it immensely helpful.

News & Media

The New York Times

I went to these lengths because I understood him to be perhaps the world's expert in this particular syndrome.

News & Media

The New York Times

"Most of the pay-per-paper sites are scams and rip-offs," Kevin Smith, an expert in this business, said in a telephone interview.

News & Media

The New York Times
Show more...

Expert writing Tips

Best practice

When using "expert in this", clearly define the specific area of expertise to avoid ambiguity. For example, "expert in this field of astrophysics" provides more clarity than simply "expert in this".

Common error

Avoid using "expert in this" when the context implies a broad or undefined area. Instead, be specific about the expertise, as vague claims can undermine credibility.

Antonio Rotolo, PhD - Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Antonio Rotolo, PhD

Digital Humanist | Computational Linguist | CEO @Ludwig.guru

Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Linguistic Context

The phrase "expert in this" functions as a descriptor, highlighting an individual's proficiency or specialized knowledge. Ludwig examples show its application in various fields, confirming its role in attributing expertise. It is commonly followed by the specific area of expertise to provide context.

Expression frequency: Very common

Frequent in

News & Media

35%

Science

30%

Wiki

15%

Less common in

Formal & Business

10%

Academia

5%

Reference

5%

Ludwig's WRAP-UP

The phrase "expert in this" is a widely recognized and grammatically sound way to denote proficiency in a specific area. According to Ludwig, it is commonly used across news, scientific, and general contexts. It conveys credibility and is generally suitable for neutral to professional communication, as validated by Ludwig. To avoid ambiguity, it's best practice to clearly specify the field of expertise. For alternatives, consider "proficient in this" or "knowledgeable in this", depending on the nuance you want to convey.

FAQs

How can I use the phrase "expert in this" in a sentence?

The phrase "expert in this" is used to describe someone with a high level of knowledge or skill in a specific area. For example, "She is an "expert in this" field of data science".

What are some alternatives to saying "expert in this"?

You can use alternatives like "proficient in this", "skilled in this", or "knowledgeable in this" depending on the specific context and nuance you want to convey.

Is it better to say "expert in this field" or "expert on this field"?

"Expert in this field" is generally preferred. While "expert on this field" is understandable, "expert in this field" is more idiomatic and widely accepted in English.

What distinguishes an "expert in this" from someone who is simply "good at this"?

An ""expert in this"" possesses deep, comprehensive knowledge and often has extensive experience, whereas someone who is "good at this" has a basic level of competence or skill.

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Source & Trust

84%

Authority and reliability

4.5/5

Expert rating

Real-world application tested

Most frequent sentences: