The phrase "a sign of surrender" is correct and usable in written English.
You can use it to describe an action, gesture, or symbol that indicates giving up or yielding in a situation, often in a conflict or competition.
Example: "The white flag was raised as a sign of surrender, signaling the end of the battle."
Alternatives: "an indication of capitulation" or "a gesture of yielding."
"Peacefully, peacefully," he said, raising his hands in a sign of surrender.
Some witnesses initially said that Brown put his hands up in a sign of surrender before Wilson shot him.
Alex Rodriguez took it for strike three, immediately flipping his bat toward the Yankees' dugout in a sign of surrender.
They come from a world where compromise is a sign of surrender, and where one side's gain is another's loss.
Male devotees shave their heads, leaving only a small tuft of hair called a sikha, a sign of surrender to their teacher.
Later, with their agreement, I hung from the northern wing of the castle a white flag as a sign of surrender.
"Although there are several individuals who have stated that Brown held his hands up in an unambiguous sign of surrender prior to Wilson shooting him dead, their accounts do not support a prosecution of Wilson," the Justice Department report said.
At one time scholars associated the dramatic and mimetic structure of this ode with Aristotle's famous assertion in Poetics that tragedy originated from improvisation by the leaders of the dithyramb; however, many contemporary scholars see the poem's use of dialogue for dramatic interest as a sign of the dithyramb's surrender to the more vivid methods of tragedy.
It is a sign of the almost overwhelming surrender of parents to the state that the parents, while saying they are fleeing from the state's schools, desperately want to use a curriculum that is accredited by the state.
His replacement would almost certainly be easier to confirm but pulling him would be a sign of weakness, a tacit surrender to the criticism that maybe a guy who's been accused of sexual assault isn't the best candidate for the job.
When Japan showed no sign of surrender, a pilot, Major Charles Sweeney, was sent back with a second bomb.
