Mahabharata 7.51.20

सत्यं वः प्रतिजानामि श्वोऽस्मि हन्ता जयद्रथम्न चेद्वधभयाद्भीतो धार्तराष्ट्रान्प्रहास्यति

satyaṃ vaḥ pratijānāmi śvo'smi hantā jayadrathamna cedvadhabhayādbhīto dhārtarāṣṭrānprahāsyati

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