the men of Israel would turn in the battle. When the Benjamites had begun to strike them down, killing about thirty men of Israel, they said, “They are defeated before us as in the first battle.”
Jewish Publication Society of America Version (JPS1917) - Judges 20:39 >And the men of Israel turned in the battle, and Benjamin began to smite and kill of the men of Israel about thirty persons; for they said: 'Surely they are smitten down before us, as in the first battle.'