He can speak Hakka.

He is interested in the study of international auxiliary languages.

Pragmatics is a part of linguistics that considers not only the meaning of sentences but also their usage situations.

I want to learn Min Dong Chinese.

The Slavic languages are one of the major language groups in Europe.

The Italic languages refer to a series of languages including Latin.

The Austronesian languages are one of the most widely distributed language families in the world.

The Austroasiatic languages, including Vietnamese and Khmer, are a language family that includes many languages.

The Baltic languages are part of the Indo-European language family and are mainly spoken in countries around the Baltic Sea.

The Celtic languages are ancient languages of Europe, and are still spoken in some parts today.