Mahabharata 3.57.9

बृहत्सेने पुनर्गच्छ वार्ष्णेयं नलशासनात्सूतमानय कल्याणि महत्कार्यमुपस्थितम्

bṛhatsene punargaccha vārṣṇeyaṃ nalaśāsanātsūtamānaya kalyāṇi mahatkāryamupasthitam

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