# he had been mocked by the learned men

This can be stated in active form. Alternate translation: "the learned men had tricked him"

# He sent and killed all the male children

Herod did not kill the children himself. Alternate translation: "He sent soldiers to kill all the baby boys"

# according to the time that he had determined exactly from the learned men

based on what he discovered from the learned men about exactly when the star had appeared