This is the 17555th most frequent Polish word.
zbytnio
"Zbytnio" means "too much" or "overly" in English.
In this sentence, 'zbytnio' is used to indicate a moderate degree of misunderstanding, meaning 'really' or 'fully'.
Nie zbytnio rozumiem, o co chodzi w tym pytaniu.
I don't really understand what this question is about.
Here, 'zbytnio' describes the extent of worrying, emphasizing the idea to not worry excessively.
Nie martw się zbytnio; wszystko będzie w porządku.
Don't worry too much; everything will be fine.
Here, 'zbytnio' moderates the adjective 'trudne,' which means 'difficult,' suggesting the task is only modestly challenging.