Let's break it down:
* Pero: This word means "but" in English. It's used to introduce a contrasting statement.
* Yo: This means "I" in English.
* No: This means "not" in English.
* Hablar: This means "to speak" in English.
* Español: This is the word for "Spanish" in Spanish.
So, the entire phrase translates to "But I don't speak Spanish".