en_tn/mic/07/16.md

They will put their hands on their mouths; their ears will be deaf

This shows how dismayed they are, so much so they cannot respond. See the UDB. (See: rc://en/ta/man/translate/figs-idiom)

They will lick the dust like a snake, like creatures that crawl on the earth.

Both phrases mean about the same thing. God's enemies will be completely humiliated and come to him in fear after they see the powerful things he does. (See: rc://en/ta/man/translate/figs-parallelism and rc://en/ta/man/translate/figs-simile)