The phrase "countless scars" can definitely be used in written English.
It is typically used to refer to the physical (or sometimes emotional) marks left behind from a traumatic experience. Example sentence: She bore countless scars from her time in the war.
We are riding in a 4x4 but we still feel the countless potholes that scar the streets.
Some have been shot and killed, many wounded and countless others psychologically scarred by gunfights and tension.
The wood's distinctive appearance is a result of the salt and murk in the lagoon water, the battering of countless gondolas and the scars of marine micro-organisms that bored into the poles.
The building's 24 floors are desolate: shrubs sprout from the concrete floors, the grey mouldering walls still bearing scars of countless bullet holes and political graffiti from a bygone era.
One would assume that the physical price paid by the men who fought in the war would have a rough equivalent in the mental price, that the experience of that terrible war would have left countless survivors with horrible psychological scars.
I wonder if it somehow scarred me, and perhaps countless other unwitting boys expecting a sanguine, inspiring tale.
Experts say at least 80 people have been killed in hazings over the last two decades, and countless others have been injured or psychologically scarred.
Years after returning scarred from war, and after countless days tracking and filming bears in grizzly country, Peacock wrote in his first book, Grizzly Years: In Search of the American Wilderness, that the animals saved his life.
Our nation's conscience, like the countless wounded on that march, still bears the scars of that day.
