Mahabharata 1.158.6

स दृष्ट्वा पाण्डवांस्तत्र सह मात्रा परंतपान्विस्फारयन्धनुर्घोरमिदं वचनमब्रवीत्

sa dṛṣṭvā pāṇḍavāṃstatra saha mātrā paraṃtapānvisphārayandhanurghoramidaṃ vacanamabravīt

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