賞罰を行なう
【形式ばった表現】 mete out justice [reward and punishment] 《to》.
賞罰を行う
へんぱな賞罰
賞罰を明らかにする
偏頗な賞罰
They are just in awarding rewards and punishments
Rewards and punishments are justly administered
to reward and punish without partiality―with impartiality―impartially