Mahabharata 5.88.81

तयोश्चैतदवज्ञानं यत्सा कृष्णा सभां गतादुःशासनश्च कर्णश्च परुषाण्यभ्यभाषताम्

tayoścaitadavajñānaṃ yatsā kṛṣṇā sabhāṃ gatāduḥśāsanaśca karṇaśca paruṣāṇyabhyabhāṣatām

Our plain-language meaning of this verse is waiting for scholar review.