母语 (mǔ yǔ): Mother tongue (Noun) — Meaning & Stroke Order

Although he is proficient in multiple languages, he still habitually uses his mother tongue when thinking.

At the formal international conference, delegates are permitted to speak in their respective mother tongues.

When learning a foreign language, native language thinking can sometimes interfere with pronunciation.

Do you think that mother tongue proficiency affects the efficiency of learning a second language?

He grew up abroad from childhood, so his mother tongue is not Chinese but English.

In multicultural environments, maintaining the inheritance of one's native language is important for cultural identity.

Mastering one's mother tongue not only aids communication but also deepens the understanding of one's own culture.