po prostu

just, simply

robiło

third-person singular neuter past of robić

się

• Pron

  1. reflexive pronoun; oneself, self
  2. each other, one another
  3. one's own home

• Particle

we

Alternative form of w, used mostly before words that begin with consonant clusters.

mnie

• Pron

  genitive/dative/accusative/locative of ja

• Verb

cicho

quietly, silently

po

• Prep

  1. after (later in time or sequence)
  2. after (in pursuit of)
  3. around, about
  4. past
  5. on
  6. for indicates that a container was previously used for something
  7. from
  8. after (in allusion to), for
  9. done for (doomed)
  10. for (in order to obtain)
  11. up to, as far as
  12. in, for, at denotes a quantity of something
  13. according to, in the way of, a la, as
  14. in (the language of)

• Conj

prostu

old dative of prosty