Mahabharata 6.84.16

महोदरस्तु समरे भीमं विव्याध पत्रिभिःनवभिर्वज्रसंकाशैर्नमुचिं वृत्रहा यथा

mahodarastu samare bhīmaṃ vivyādha patribhiḥnavabhirvajrasaṃkāśairnamuciṃ vṛtrahā yathā

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