KJV : And the living creatures <02416> ran <07519> (8800) and returned <07725> (8800) as the appearance <04758> of a flash of lightning <0965>.

---

NASB : And the living beings ran to and fro like bolts of lightning.

---

NASB# : And the living<2421> beings<2421> ran<7519> to and fro<7725> like<4758> bolts<965> of lightning<965>.