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.
彼女はバイリンガルだ。
She is bilingual.
Literally 'speaks two languages'. More descriptive, but less common than バイリンガル.
彼は二言語を話す。
He speaks two languages.
A more technical term, literally 'two-language speaker'. Used in academic or formal contexts.
彼は二言語話者だ。
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.
バイリンガル辞書を買った。
I bought a bilingual dictionary.
バイリンガル教育に関心がある。
I'm interested in bilingual education.
Means 'of two languages', used as a modifier. More formal or written style.
二言語の表記がある。
There is bilingual notation.