Read Revelation 10:3 Using Other Translations
And cried with a loud voice, as when a lion roareth: and when he had cried, seven thunders uttered their voices.
and called out with a loud voice, like a lion roaring. When he called out, the seven thunders sounded.
And he gave a great shout like the roar of a lion. And when he shouted, the seven thunders answered.