It means, "But I understand better than you."
Spanish: que no entiendo English: I do not understand
Depends on punctuation: ¿Qué? No entiendo. = What? I don't understand. ...que no entiendo = ...that/because I don't understand. (Dinmelo denuevo que no entiendo = Tell me again because I don't understand) (Dije que no entiendo este libro = I said that I don't understand this book)
Que quizás algo no le parezca a uno, pero debe de vérsele lo mejor del asunto.Translation: In fact, no, but I have to be pleased.
"Me encantan mis videos, pero nunca entiendo lo que están diciendo."
"No entiendo, porque..." means: I don't understand because "No entiendo, ¿por que?" means: I don't understand, why? (the meaning depending on if por que was one or two words) (to add one more meaning To Laila's answer) "No entiendo por que!" made as a statement can mean " I do not understand why! " (disbelief)
but where?
I understand it, or That I understand. Depends on the context it is use in
it means, "what's the name of your best friend?"
But from what city
But he/she to study
There's no reason
much but none