Mahabharata 13.145.1
युधिष्ठिर उवाच · yudhiṣṭhira uvāca
दुर्वाससः प्रसादात्ते यत्तदा मधुसूदनअवाप्तमिह विज्ञानं तन्मे व्याख्यातुमर्हसि
durvāsasaḥ prasādātte yattadā madhusūdanaavāptamiha vijñānaṃ tanme vyākhyātumarhasi
Our plain-language meaning of this verse is waiting for scholar review.