en_tn/ezk/01/14.md

The living creatures were moving swiftly back and forth, and they had the appearance of lightning

Lightning flashes and then disappears quickly, and the creatures moved from one place to another quickly. The abstract noun "appearance" can be translated as a verb. AT: "The living creatures were moving swiftly back and forth, and they looked like lightning" (See: rc://en/ta/man/translate/figs-simile and rc://en/ta/man/translate/figs-abstractnouns)