Mahabharata 3.231.12
दुःशासनो दुर्विषहो दुर्मुखो दुर्जयस्तथाबद्ध्वा ह्रियन्ते गन्धर्वै राजदाराश्च सर्वशः
duḥśāsano durviṣaho durmukho durjayastathābaddhvā hriyante gandharvai rājadārāśca sarvaśaḥ
Our plain-language meaning of this verse is waiting for scholar review.