en_tn/isa/35/06.md

the lame man will leap like a deer

Deer can jump far and high. Jumping like a deer is an exaggeration for being able to move about quickly and easily. AT: "the lame man will jump high" (See: rc://en/ta/man/translate/figs-simile and rc://en/ta/man/translate/figs-hyperbole)

the mute tongue will sing

This refers to people who cannot speak. They are referred to by their "tongues" to emphasize their healing. AT: "mute people will sing" (See: rc://en/ta/man/translate/figs-synecdoche)

streams in the wilderness

The understood verb may be supplied. AT: "streams will flow in the wilderness" (See: rc://en/ta/man/translate/figs-ellipsis)