Questions & Answers about Sudbina je nepoznata.
- sudbina = fate / destiny
- je = is
- nepoznata = unknown
So the whole sentence means Fate is unknown or Destiny is unknown.
Je is the 3rd person singular present tense of the verb biti (to be).
So:
- sudbina = the subject
- je = is
- nepoznata = the description of the subject
This is the normal way to say X is Y in Croatian.