Mahabharata 4.53.55

अथान्तरिक्षे नादोऽभूद्द्रोणं तत्र प्रशंसताम्दुष्करं कृतवान्द्रोणो यदर्जुनमयोधयत्

athāntarikṣe nādo'bhūddroṇaṃ tatra praśaṃsatāmduṣkaraṃ kṛtavāndroṇo yadarjunamayodhayat

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