Canst thou make him afraid as a grasshopper? rather, Canst thou make him leap forward as a grasshopper? The bound with which a war-horse rushes to battle seems intended. The glory of his nostrils is terrible.
When the war-horse snorts, men tremble (see Jeremiah 8:16, "The snorting of his horses was heard from Dan: the whole land trembled at the sound of the neighing of his strong ones").