E-angielski.com

 
  behave in a way that's like... udawać, zachowywać się jak "What's wrong with Mary? She has been acting like an idiot."

Note: This phrasal verb is very informal. add up
  no object

 
  logically fit together zgadzać się, potwierdzać, trzymać się kupy "His theory is hard to believe, but his research adds up."

Note: This phrasal verb is often negative.

"His theory seems, at first, to be plausible, but the facts in his research don't add up." add up
  separable
  find the total zsumować, dodać "What's the total of those bills? Could you add them up and see?"
  add up to
  inseparable
  to total wynosić, opiewać na "The bills add up to $432.33. That's much less than we expected!"
  ask out
  separable
  ask for a date zaprosić na randkę "We belive that Kate is going to get married soon. John asked her out again."
  add on
  separable
  include zawierać 10% will be added on to your bill as a service charge
  answer back
  inseparable
  defend yourself using words bronić się słowami It`s wrong to write things like that about people who cannot answer back
  answer back
  separable

  reply rudely odpowiadać niegrzecznie Her mother was shocked when she started answering her back and refusing to help.