Ramayana
स तु वीर्यवतां वीर्यमादत्ते युधि रावणः । तेन चाहं न शक्तोऽस्मि संयोद्धुं तस्य वा बलैः ॥ १-२०-२३
But that Ravana depletes the valour of valorous opponents in a battle, I am inadequate to grapple with all his forces, or with him individually - ॥ 1-20-23॥
english translation
sa tu vIryavatAM vIryamAdatte yudhi rAvaNaH । tena cAhaM na zakto'smi saMyoddhuM tasya vA balaiH ॥ 1-20-23
hk transliteration by Sanscript