en_tn/1sa/26/19.md

do not let my blood fall to the earth

"do not kill me. (See: rc://en/ta/man/translate/figs-euphemism)

to look for a flea

David is to Saul as a flea is to a human being [insignificant]. Alternate Meaning: David is able to hide easily, as if he is a flee or a wild bird in the mountains. (See: rc://en/ta/man/translate/figs-metaphor)

as when one hunts a partridge in the mountains

Saul is chasing David as if he were hunting wild game such as a partridge. (See: rc://en/ta/man/translate/figs-simile)