NET
10 A curse on anyone who is lax in doing the Lord’s work! A curse on anyone who keeps from carrying out his destruction!
Darby
10 Cursed be he that doeth the work of Jehovah negligently, and cursed be he that keepeth back his sword from blood!
KJV
10 Cursed [be] he that doeth the work of the LORD deceitfully, and cursed [be] he that keepeth back his sword from blood.