Here are possible interpretations of what the speaker might have meant:
* "You don't know Spanish, and I speak English." This is a direct translation of the phrase.
* "You don't know Spanish, but I speak English." This is a more natural way to express the same meaning in English.
* "You don't speak Spanish, and I speak English." This is another way to express the same meaning in a more grammatically correct way.
The phrase might also be meant as a humorous or playful remark. It's important to consider the context of the conversation to understand the speaker's intent.