Mahabharata 13.53.41

तौ तीक्ष्णाग्रेण सहसा प्रतोदेन प्रचोदितौपृष्ठे विद्धौ कटे चैव निर्विकारौ तमूहतुः

tau tīkṣṇāgreṇa sahasā pratodena pracoditaupṛṣṭhe viddhau kaṭe caiva nirvikārau tamūhatuḥ

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