Identify and explain the nature of the Euthyphro Problem associated with divine command ethics

The Euthyphro Problem is an interesting concept and asks, "Is something good because God decides it is good, or does God use a standard such as justice in order to make the choice?" If God uses some justifying reason in the assessment, then it would be possible for us, through reason, to go directly to the justification ourselves and not bring God into the reasoning?