en_tn/deu/21/04.md

running water

This is an idiom for water that is moving. AT: "a stream" (See: rc://en/ta/man/translate/figs-idiom)

a valley that has been neither plowed nor sown

This can be stated in active form. AT: "a valley where nobody has plowed the ground or planted seeds" (See: rc://en/ta/man/translate/figs-activepassive)