ići / voziti unazad
You’ll have to back up your car so that I can get out.
zakrčiti promet, stvoriti dugačak red (za vozila)
The traffic began to back up because of the accident.
spremiti dodatnu kopiju podataka (u informatici)
You’ll have to back up the hard drive.
nakupiti se iza prepreke (za tekuću vodu)
The water began to back up at the narrow pipe.