## the idols of Egypt quake before him ##

Isaiah is describing the idols as having feelings of fear as Yahweh approaches. AT: "the idols of Egypt tremble in fear before Yahweh." (See: [[rc://en/ta/man/translate/figs-personification]])

## and the hearts of the Egyptians melt within themselves ##

Here "heart" refers to courage. AT: “the Egyptian’s courage disappears”

## city will be against city ##

"people from different cities in Egypt will fight with one another"

## kingdom against kingdom ##

"the rulers in Egypt will send their people to fight with one another"