Derja translation of 'مَا يَعْرِشْ وِينْ يَحُطْ سَاقِيهْ'

he doesn't know how to make good decisions, act

What an idiot; he doesn't know how to make good decisions. مَلَّا مْدَكْ، مَا يَعْرِشْ وِينْ يَحُطْ سَاقِيهْ