Bulgarian-English translations for вярвам

• depend
  We would like to go skiing, but it depends on the amount of snow
  we should all be able to depend on the word or assurance of our friends
  we depend on the mailman to come at the usual time
• imagine
  Try to imagine a pink elephant
  She imagined that the man wanted to kill her
  I imagine that he will need to rest after such a long flight