Mahabharata 5.59.18

युद्धायावस्थितं पार्थं पार्थिवैरतिमानुषैःअशक्यं रथशार्दूलं पराजेतुमरिंदमम्

yuddhāyāvasthitaṃ pārthaṃ pārthivairatimānuṣaiḥaśakyaṃ rathaśārdūlaṃ parājetumariṃdamam

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