Side note: I find ChatGPT to be a much better translator. It doesn’t just do literal translations. Here’s how it explained this phrase:

The saying "Maestro Liendre: De tó sabe, pero de ná entiende" generally means that someone appears to know a little bit about many things but doesn't have a deep understanding of any of them. It's used to describe someone who pretends to be knowledgeable but lacks true expertise.