Swalloweth — He is so full of rage and fury, that he not only champs his bridle, but is ready to tear and devour the very ground on which he goes. Believeth — He is so pleased with the approach of the battle, and the sound of the trumpet calling to it, that he can scarce believe his ears for gladness.
Related Commentaries of Job 39:24
Job 39:24
24 He swalloweth the ground with fierceness and rage: neither believeth he that it is the sound of the trumpet.