This is the 3482nd most frequent Polish word.
znamy
"Znamy" means "we know" in English.
The word 'znamy' in this sentence serves as the first-person plural present tense form of the verb 'znać', which means 'to know'. It conveys the collective knowledge or familiarity with the mentioned song.
Znamy tę piosenkę bardzo dobrze.
We know this song very well.
Here, 'znamy' is used in interrogative form, referring to whether the group collectively possesses knowledge or information about the answers to the questions raised.
Czy znamy odpowiedzi na te pytania?
Do we know the answers to these questions?
In this context, 'znamy się' represents a reciprocal usage, indicating mutual acquaintance between the subjects, hence it reflects knowing each other.