aha

1. aha! (showing confirmation)
2. aha! (showing understanding)
3. aha! (showing that the speaker suddenly remembered something)
4. ah! (showing pain)

muszę

first-person singular present of musieć

opisać

1. to describe (represent in words)
2. to circumscribe

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

działo

• Noun

  gun (cannon with relatively long barrel, operating with relatively low angle of fire, and having a high muzzle velocity)

• Verb

się

• Pron

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

• Particle

wczoraj

• Adv

  1. yesterday (on the previous day)
  2. yesterday (in the past)

• Noun