tatrāśvāḥ śaibya-sugrīva-
meghapuṣpa-balāhakāḥ
tamasi bhraṣṭa-gatayo
babhūvur bharatarṣabha
tān dṛṣṭvā bhagavān kṛṣṇo
mahā-yogeśvareśvaraḥ
sahasrāditya-sańkāśaḿ
sva-cakraḿ prāhiṇot puraḥ
tatra -- at that place; asvah -- the horses; saibya-sugriva-meghapushpa-balahakah -- named Saibya, Sugriva, Meghapushpa and Balahaka; tamasi -- in the darkness; bhrashta -- having lost; gatayah -- their way; babhuvuh -- became; bharata-rishabha -- O best of the Bharatas; tan -- them; drishtva -- seeing; bhagavan -- the Personality of Godhead; krishnah -- Krishna; maha -- supreme; yoga-isvara -- of masters of yoga; isvarah -- the master; sahasra -- a thousand; aditya -- suns; sankasam -- comparable to; sva -- His personal; cakram -- disc weapon; prahinot -- sent; purah -- in front.
Srila Visvanatha Cakravarti gives the following insight into this verse. Lord Krishna's horses had descended from Vaikuntha to participate in His earthly pastimes. Since the Lord Himself was pretending to be a finite human being, His steeds now acted confused to enhance the drama of the situation for all who would one day hear this pastime.