“Out of the blue” – English idiom


Example sentences from the web:

  • My cousin turned up out of the blue on Christmas Day.
  • My sister Mary appeared on my doorstep out of the blue, after years with no word from her.
  • You turn up out of the blue, begging for my help in something completely illegal!
  • Stephanie called me out of the blue yesterday morning.
  • He just broke up with me out of the blue, and I have no idea why. 

Words you may not know:

TO TURN UP (past simple: “turned up”)=> to appear or come to light unexpectedly or after being lost.
TO BEG (gerund: begging) => to ask someone to give or do something; to implore.