Berean Standard Bible (BSB)
They paid close attention to him because he had astounded them for a long time with his sorcery.
World English Bible (WEB)
They listened to him, because for a long time he had amazed them with his sorceries.
Strong's King James
And{G1161} to him{G846} they had regard{G4337}{(G5707)}, because{G1223} that of long{G2425} time{G5550} he had bewitched{G1839}{(G5760)} them{G846} with sorceries{G3095}.
The F.O.G *
(11) And they paid him attention because he had amazed them with magic.
The F.O.G Message *
Young's Literal Translation
and they were giving heed to him, because of his having for a long time amazed them with deeds of magic.