Mahabharata 9.32.15

भीम उवाच · bhīma uvāca

मधुसूदन मा कार्षीर्विषादं यदुनन्दनअद्य पारं गमिष्यामि वैरस्य भृशदुर्गमम्

madhusūdana mā kārṣīrviṣādaṃ yadunandanaadya pāraṃ gamiṣyāmi vairasya bhṛśadurgamam

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