1. "Chinese" as the language:
* 中文 (zhōngwén) - This is the most common way to refer to the Chinese language.
2. "Chinese" as the ethnicity or nationality:
* 中国人 (zhōngguó rén) - This literally means "China person" and is used to refer to a person of Chinese ethnicity or nationality.
So, depending on the context, you would use either 中文 or 中国人 to spell "Chinese" in Chinese.