wiesz

second-person singular indicative present of wiedzieć

że

• Conj

  introduces a subordinate clause; that

• Particle

ja

first-person pronoun; I

nie wiem

I don't know

co

• Pron

  1. interrogative pronoun; what
  2. pronoun for introducing a subordinate clause that narrows the scope of the main clause; which, that; what; who
  3. pronoun that attaches a relative clause to the main clause; which, that; what; who
  4. (colloquial) relative pronoun
  5. (colloquial) why

• Prep
• Conj
• Particle

on

he (for animate nouns), it (for inanimate nouns)

robi

third-person singular present of robić

nie

• Particle

  negation particle; no, not

• Verb
• Pron