Mahabharata 8.4.19

तव पुत्रः सदा संख्ये कृतास्त्रो युद्धदुर्मदःदुःशासनो महाराज भीमसेनेन पातितः

tava putraḥ sadā saṃkhye kṛtāstro yuddhadurmadaḥduḥśāsano mahārāja bhīmasenena pātitaḥ

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