This is the 5861st most frequent Polish word.
zauważyli
"Zauważyli" means "they noticed" in English.
The word 'zauważyli' here refers to the act of perceiving or identifying through seeing or sensing.
Zauważyli piękno krajobrazu.
They noticed the beauty of the landscape.
This usage of 'zauważyliście' (plural second person) conveys paying attention to a change in circumstance.
Czy zauważyliście, że deszcz przestał padać?
Did you notice that the rain has stopped?
In this context, 'zauważyli' implies identifying or realizing a potential issue through observation.