Translation guide
The English word 'notion' can refer to a vague idea, a general concept, or a personal whim. In Japanese, different words are used depending on the nuance.
Expressing a thought, idea, or concept that is not fully formed or precise.
A general concept or abstract idea. Often used in academic or formal contexts.
時間の概念は文化によって異なる。
The notion of time differs across cultures.
A thought or idea. More casual and personal than 概念.
彼は面白い考えを持っている。
He has an interesting notion.
A notion or idea, often with a philosophical or fixed connotation. Can imply a preconceived idea.
彼は固定観念にとらわれている。
He is bound by fixed notions.
Expressing a sudden idea or impulse to do something, often without deep reason.
A whim or caprice. Describes acting on a sudden fancy.
彼は気まぐれで旅行に出かけた。
He went on a trip on a notion.
A sudden idea or inspiration. Often used for spontaneous plans.
Expressing that someone has some idea or knowledge about something.
To have a rough idea or notion. Often used in the negative to mean 'I have no idea'.
彼がどこにいるか見当がつかない。
I have no notion where he is.
A vague notion or idea. Literally 'vague thought'.
彼はそれについて漠然とした考えしか持っていない。
He only has a vague notion about it.
The English word 'notion' covers a wide range of meanings. Translating it directly as ノーション is not natural in Japanese. Choose the appropriate word based on context.
That's just a notion I had.