en_tn_condensed/isa/20/05.md

dismayed and ashamed

"afraid and put to shame"

because of Cush their hope and of Egypt their glory

Hope and glory refer to their trust in the military power of these countries. Alternate translation: "because they had trusted in the power of the armies of Cush and Egypt" (See: rc://en/ta/man/translate/figs-metonymy)