en_tn_condensed/isa/29/08.md

It will be like when a hungry man dreams he is eating ... his thirst not quenched

These similes mean that the enemy will expect victory but they will fail because God will not allow them to conquer Jerusalem. (See: rc://en/ta/man/jit/figs-simile)

Yes, so will be the great number of nations that fights against Mount Zion

Here "Mount Zion" represents the people who live there. Alternate translation: "Yes, this will be what happens to the armies from the nations who fight against the people who live on Mount Zion" (See: rc://en/ta/man/jit/figs-metonymy)