Read 2 Samuel 18:11 Using Other Translations
And Joab said unto the man that told him, And, behold, thou sawest him, and why didst thou not smite him there to the ground? and I would have given thee ten shekels of silver, and a girdle.
Joab said to the man who told him, "What, you saw him! Why then did you not strike him there to the ground? I would have been glad to give you ten pieces of silver and a belt."
“What?” Joab demanded. “You saw him there and didn’t kill him? I would have rewarded you with ten pieces of silver and a hero’s belt!”