什么是外语？用英文回答

A foreign language is a language not spoken by the indigenous people of a certain place: for example, English is a foreign language in China.

外语就是外语！英语就是外语的一种。既然你问什么是外语，我用英语回答了你就能懂外语了么？？所以，我还是用汉语回答你吧，外语就是你不懂的语言！

It's not a native language
It's not spoken by most native people

It isn't chinese.

not your native tongue

foreign language