en_tn_condensed/isa/32/15.md

until the Spirit is poured

This can be stated in active form. AT: "until Yahweh pours the Spirit" (See: rc://en/ta/man/translate/figs-activepassive)

the Spirit is poured on us

This speaks of Yahweh giving him Spirit to his people as if his Spirit were a liquid that he would pour on them. AT: "the Spirit is given to us" (See: rc://en/ta/man/translate/figs-metaphor)

from on high

Here heaven is referred to as "on high." AT: "from heaven" (See: rc://en/ta/man/translate/figs-metonymy)

the fruitful field is considered as a forest

This can be written in active form. This compares how overly bountiful the fruitful fields are by comparing them to a thick, dense forest. AT: "people will say that the fruitful fields have grown thick like a forest" or "the fruitful fields will be overly bountiful" (See: rc://en/ta/man/translate/figs-activepassive and rc://en/ta/man/translate/figs-simile)