تفسير : (the hosts) the hosts of the disbelieving (will all be routed) on the day of badr (and will turn and flee) defeated; this refers to abu jahl and his host, some of whom were killed on the day of badr and others defeated.
Jalāl al-Dīn al-Maḥallī
تفسير : the host will [truly] be routed and turn its back [to flee], and so they were defeated at badr and god’s messenger (s) was granted victory over them.