en_tn_condensed/isa/27/08.md

In exact measure you have contended

Here "you" refers to God. Yahweh punishing his people as much as they needed is spoken of as if God's punishment were something that could be measured. Alternate translation: "But you did punish them as much as was needed" (See: rc://en/ta/man/jit/figs-you and rc://en/ta/man/jit/figs-metaphor)

sending Jacob and Israel away

This represents the descendants of Jacob. Alternate translation: "sending the Israelites away" (See: rc://en/ta/man/jit/figs-metonymy)

he drove them away with his severe breath in the day of the east wind

Yahweh's power to send his people away to a foreign country is spoken of as if Yahweh used his breath to blow them to a foreign country. Alternate translation: "the power of Yahweh drove them out like a severe wind from the east" (See: rc://en/ta/man/jit/figs-metaphor)