母国語

Meaning

1. n
   language of one's country; mother tongue; native language

Example sentences

• 英語は私の母国語です。

  English is my mother tongue.

• 英語は私の母国語ではない。

  English is not my native language.

• ライトさんは、まるで母国語の様に日本語を話します。

  Mr Wright speaks Japanese as if it were his mother tongue.