His native language is Spanish.

He is learning Tibetan language.

They are using English as a common language.

He always speaks in polite language, so he is considered very courteous.

I am thinking of learning the Thao language.

His laughter can be expressed with the onomatopoeic word 'gyahaha'.

Scottish Gaelic is a language spoken in parts of Scotland.

The Tangut language is one of the ancient languages of China.

He wrote his name using a logogram.

In Vietnamese, there are many Sino-Vietnamese words borrowed from Chinese.