mother-tongue

she effortlessly communicated in her mother-tongue.

preserving one's mother-tongue is vital for cultural identity.

he struggled to translate idioms from his mother-tongue.

learning a new language shouldn't mean abandoning your mother-tongue.

the children were taught their mother-tongue at school.

a strong command of one's mother-tongue is a valuable asset.

he felt most comfortable speaking in his mother-tongue.

the literature in her mother-tongue was rich and diverse.

many immigrants strive to pass on their mother-tongue to their children.

the nuances of his mother-tongue were lost in translation.

she eloquently expressed herself in her mother-tongue.

he used his mother-tongue to connect with his heritage.