If you are monolingual, you speak or use only one language.

If you are如果你是 monolingual單語者, you speak or use你就只說或使用 one language一種語言。

A child who has only ever lived in Mandarin at home is monolingual until another language becomes part of real life, not just a school subject.

A child who has only ever lived in Mandarin at home一個在家一直只活在中文裡的孩子 until another language becomes part of real life, not just a school subject在另一種語言成為真正生活的一部分、而不只是學校科目之前 is monolingual都算是單語的。

The word also describes things, not only people: a monolingual dictionary is English-to-English, with no Chinese on the page; a monolingual classroom is one that runs in a single language.

The word also describes things, not only people這個字也可以用來形容事物、不只是人: a monolingual dictionary is English-to-English單語辭典是英英辭典, with no Chinese on the page頁面上沒有中文; a monolingual classroom is one that runs in a single language單語教室則是只用一種語言上課的教室。

You can use it as a noun too: the monolinguals in the room. It is a calm, factual word — not praise, not an insult.

You can use it as a noun too這個字也可以當名詞用: the monolinguals in the room房間裡的那些單語者。 It is a calm, factual word它是一個平靜、客觀的字 — not praise, not an insult不是稱讚，也不是侮辱。

Though actually, almost nobody is perfectly monolingual if you count a few borrowed words they have picked up; we still use it for someone whose real life happens in one language.

Though actually不過其實 if you count a few borrowed words they have picked up如果把他們偶爾學到的幾個外來詞也算進去 almost nobody is perfectly monolingual幾乎沒有人是百分之百單語的; we still use it我們還是會用這個字 for someone whose real life happens in one language來稱呼那些真正生活都在一種語言裡進行的人。