He can speak Arabic fluently.

I am studying German language.

He is interested in learning the Karelian language.

He is learning Greek.

He can speak Quechua.

Using exalted language in Japanese is an important way to show respect to the other person.

He can speak Spanish fluently.

I have started learning Korean.

Esperanto is one of the most famous international auxiliary languages.

He can speak Amharic language.