en_tn_condensed/jdg/06/05.md

When they and their livestock

"When the Midianites and their livestock"

they would come as a swarm of locusts

The Midianites are compared to a swarm of locusts because they came in with a great number of people. (See: rc://en/ta/man/translate/figs-simile)

it was impossible to count

This is a way to express the number is very great. (See: rc://en/ta/man/translate/figs-hyperbole)