NET
5 They were hiring advisers to oppose them, so as to frustrate their plans, throughout the time of King Cyrus of Persia until the reign of King Darius of Persia.
Darby
5 and they hired counsellors against them, to frustrate their purpose, all the days of Cyrus king of Persia, even until the reign of Darius king of Persia.
KJV
5 And hired counsellors against them, to frustrate their purpose, all the days of Cyrus king of Persia, even until the reign of Darius king of Persia.