Translation guide
The English phrase "new field" can refer to a new area of study, work, or activity. In Japanese, the most natural translation depends on whether you mean an academic discipline, a professional domain, a literal field (like a sports field), or a metaphorical new frontier. This guide covers the most common and useful expressions.
Expressing a new academic discipline, research area, or field of knowledge.
A direct and natural translation for a new field of study or research. Commonly used in academic contexts.
彼は新分野の研究を始めた。
He started research in a new field.
A slightly more descriptive phrase meaning 'new field'. Very common and versatile.
AIは比較的新しい分野です。
AI is a relatively new field.
Literally 'new territory/domain'. Used for cutting-edge or interdisciplinary fields, often in formal or technical writing.
この研究は新領域を開拓するものだ。
This research opens up a new field.
Referring to a new area of work, business, or professional activity.
Works for professional domains as well as academic ones. Often used in business contexts.
会社は新分野に進出した。
The company entered a new field.
Emphasizes a new area or sphere of activity. Slightly more formal than 新しい分野.
彼女は新しい領域でキャリアを築いた。
She built her career in a new field.
Specifically means 'new business' or 'new venture'. Used when a company starts a new line of business.
新規事業として再生可能エネルギーに参入した。
They entered the renewable energy field as a new business.
Referring to a physical field that is new, such as a sports ground or agricultural land.
For sports fields. グラウンド is a common loanword for playing fields.
学校に新しいグラウンドができた。
A new field was built at the school.
For agricultural fields (dry fields, not rice paddies). Use 田んぼ (たんぼ) for new rice fields.
新しい畑で野菜を育てている。
They are growing vegetables in the new field.
Formal term for a newly constructed sports stadium or arena.
新設の競技場で試合が行われた。
The match was held at the new field.
Expressing a pioneering area, a new frontier, or something unexplored.
Literally 'new heaven and earth'. Conveys a sense of a new world or frontier, often with excitement.
彼は新天地を求めて海外に移住した。
He moved abroad seeking a new field.
Means 'unexplored field'. Used for areas that have not been researched or developed yet.
このテーマはまだ未開拓の分野だ。
This topic is still a new field.
Often used for artistic or personal new ground, like an actor taking on a new type of role.
その画家は新境地を開いた。
The artist opened up a new field.
分野 (ぶんや) is the most common word for 'field' in abstract senses (academic, professional). 領域 (りょういき) is slightly more formal and can also mean 'territory' or 'area' in a spatial sense. For most cases, 分野 is the safest choice.
While 新しい (あたらしい) is correct, in many compounds 新 (しん) is used as a prefix (e.g., 新分野, 新天地). Using 新しい分野 is fine, but 新分野 is more concise and common in formal writing.