12 If he does not relent, hea will sharpen his sword; he will bend and string his bow.

Read Psalm 7:12 Using Other Translations

If he turn not, he will whet his sword; he hath bent his bow, and made it ready.
If a man does not repent, God will whet his sword; he has bent and readied his bow;
If a person does not repent, God will sharpen his sword; he will bend and string his bow.