NET

4 young men in whom there was no physical defect and who were handsome, well versed in all kinds of wisdom, well educated and having keen insight, and who were capable of entering the king’s royal service—and to teach them the literature and language of the Babylonians.

Darby

4 youths in whom was no blemish, and of goodly countenance, and skilful in all wisdom, and acquainted with knowledge, and understanding science, and such as had ability in them to stand in the king's palace, and whom they might teach the learning and the language of the Chaldeans.

KJV

4 Children in whom [was] no blemish, but well favoured, and skilful in all wisdom, and cunning in knowledge, and understanding science, and such as [had] ability in them to stand in the king's palace, and whom they might teach the learning and the tongue of the Chaldeans.