Translation guide
The English word "expertise" refers to specialized knowledge or skill in a particular field. In Japanese, this concept is expressed through several nouns and phrases that emphasize deep knowledge, technical skill, or professional competence. The most common and versatile equivalent is 専門知識 (senmon chishiki), which directly translates to "specialized knowledge." Other options like 専門技術 (senmon gijutsu) highlight technical skill, while ノウハウ (nouhau) refers to practical know-how. For formal or academic contexts, 知見 (chiken) is used. The choice depends on whether you want to emphasize knowledge, skill, experience, or professional insight.
Referring to deep, expert-level knowledge in a specific field, often academic or professional.
The most direct and common translation for 'expertise' as specialized knowledge. Used in professional, academic, and everyday contexts.
彼はITの専門知識を持っています。
He has expertise in IT.
この仕事には専門知識が必要です。
This job requires expertise.
A slightly more formal variant of 専門知識, emphasizing the specialized nature of the knowledge.
専門的知識を活かして問題を解決した。
They solved the problem using their expertise.
Formal term for expert knowledge or insights gained through experience or research. Often used in academic or business reports.
彼の知見はこの分野で高く評価されている。
His expertise is highly valued in this field.
Emphasizing hands-on ability, technique, or practical skill in a specialized area.
Refers to specialized technical skills or techniques. Common in engineering, IT, and crafts.
彼女は優れた専門技術を持っている。
She has excellent expertise (technical skills).
専門技術を磨くために研修に参加した。
I attended training to improve my expertise.
Literally 'technical ability,' often used in business contexts to describe a company's or individual's technical expertise.
Referring to practical, experience-based knowledge or methods, often in business or manufacturing.
Loanword from English 'know-how.' Widely used in business to refer to practical expertise, techniques, or accumulated knowledge.
彼はマーケティングのノウハウを教えてくれた。
He taught me his marketing expertise.
そのノウハウを社内で共有する。
We share that expertise within the company.
Refers to rules of thumb or empirical knowledge gained from experience. More formal and less common than ノウハウ.
Describing the overall competence, authority, or expert status of a person in their field.
Refers to the quality of being specialized or having expertise. Often used to describe the depth of knowledge in a field.
彼の専門性は疑いようがない。
His expertise is unquestionable.
この分野での専門性を高めたい。
I want to improve my expertise in this field.
Refers to ability or skill, often implying expert handling of tasks. Slightly more about competence than knowledge.
専門知識 (senmon chishiki) is the safest and most direct translation for 'expertise' as knowledge. ノウハウ (nouhau) is best for practical, hands-on know-how, often in business. 専門技術 (senmon gijutsu) specifically refers to technical skills. Choose based on whether you mean knowledge, practical methods, or technical ability.
彼は法律の専門知識がある。
He has legal expertise (knowledge).
製造ノウハウを学ぶ。
Learn manufacturing expertise (know-how).
彼の専門技術は素晴らしい。
His technical expertise is amazing.
The word エキスパート (ekisupāto) means 'expert,' but エキスパート性 is not a natural Japanese word. Use 専門知識 or 専門性 instead.
彼女はフランス史に関してかなりの専門知識を持っている。
She has considerable expertise in French history.
専門技術を持った人材が必要です。
We need someone with technical expertise.
彼の交渉の手腕はよく知られている。
His expertise in negotiation is well known.
この会社の技術力は世界トップクラスだ。
This company's expertise is world-class.
彼の経験則は現場で役立つ。
His expertise (rules of thumb) is useful on site.
We are counting on his expertise.