NET
14 Joab replied, “I will not wait around like this for you!” He took three spears in his hand and thrust them into the middle of Absalom while he was still alive in the middle of the oak tree.
Darby
14 Then said Joab, I may not tarry thus with thee. And he took three spears in his hand, and thrust them into Absalom's body, while he was yet alive in the midst of the terebinth.
KJV
14 Then said Joab, I may not tarry thus with thee. And he took three darts in his hand, and thrust them through the heart of Absalom, while he [was] yet alive in the midst of the oak.