Mahabharata 5.73.6

निःश्वसन्नग्निवर्णेन संतप्तः स्वेन मन्युनाअप्रशान्तमना भीम सधूम इव पावकः

niḥśvasannagnivarṇena saṃtaptaḥ svena manyunāapraśāntamanā bhīma sadhūma iva pāvakaḥ

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