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) => t someone to