King James Version
But Amasa took no heed to the sword that was in Joab's hand: so he smote him therewith in the fifth rib, and shed out his bowels to the ground, and struck him not again; and he died. So Joab and Abishai his brother pursued after Sheba the son of Bichri.New International Version
Amasa was not on his guard against the dagger in Joab's hand, and Joab plunged it into his belly, and his intestines spilled out on the ground. Without being stabbed again, Amasa died. Then Joab and his brother Abishai pursued Sheba son of Bicri.Catholic Public Domain Version
But Amasa did not notice the sword that Joab had. And he struck him in the side, and his intestines poured out to the ground. And he did not inflict a second wound, and he died. Then Joab and his brother Abishai pursued Sheba, the son of Bichri