to act on behalf of Heaven to administer justice; to uphold justice as an agent of divine will
侠客们常常自诩替天行道，惩奸除恶，维护世间和平。
Knights-errant often proclaimed to act on behalf of Heaven to punish evildoers and maintain peace in the world.
Next Idiom
to act on behalf of Heaven to administer justice; to uphold justice as an agent of divine will