Translation guide
Describes a person who speaks two languages fluently, or something involving two languages.
To say someone is bilingual, meaning they can speak two languages fluently.
The most common and natural way to say someone is bilingual. It's a loanword from English, used as a noun or na-adjective.
She is bilingual.
Literally 'speaks two languages'. More descriptive, but less common than バイリンガル.
He speaks two languages.
A more technical term, literally 'two-language speaker'. Used in academic or formal contexts.
He is a bilingual speaker.
To describe a thing, such as a dictionary, education, or environment, that uses or involves two languages.
Used as a noun modifier (na-adjective) to mean 'bilingual' for things like dictionaries, education, or staff.
I bought a bilingual dictionary.
I'm interested in bilingual education.
Means 'of two languages', used as a modifier. More formal or written style.
There is bilingual notation.