This is the 16592nd most frequent Russian word.
сдирать
To tear off, rip off, or peel off.
Here, 'сдирать' is used to express the action of removing something forcefully or by scraping, in this case, old paint.
Он попытался сдирать старую краску с двери.
He tried to scrape off the old paint from the door.
In this sentence, 'сдирать' signifies the action of peeling something away, specifically wallpaper.
Она сдирала обои со стен в своей комнате.
She was peeling off the wallpaper from the walls in her room.
Here, 'сдирать' is employed to describe the unintended scraping or abrasion of skin, highlighting its usage in a physical injury context.