It is my mother tongue.

它是我的母语。

youdao

“Even though Chinese is my mother tongue, I would rather see it in English, ” she commented during the interval.

即便中文是我的母语，我还是希望听到英语版本的。

youdao

But, I also make up my mind that I need to continue my language study. I want to make foreigners understand me better. The best way to reach it is using their mother tongue.

但是，我还是要继续学习语言，继续学习是为了更好的跟别人交流，用他们的母语跟他们交流。

youdao