Mahabharata 7.56.17

तस्यां रजन्यां मध्ये तु प्रतिबुद्धो जनार्दनःस्मृत्वा प्रतिज्ञां पार्थस्य दारुकं प्रत्यभाषत

tasyāṃ rajanyāṃ madhye tu pratibuddho janārdanaḥsmṛtvā pratijñāṃ pārthasya dārukaṃ pratyabhāṣata

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