The breath, Heb. the spirit; the spirit of life, or the soul, Gen_2:7.
Came; entered, took up its abode. They lived; presently discovered that they did live.
Stood up; rose with strength, able to support themselves.
Army; a power, so the Hebrew, or army of strong, courageous, and well-ordered soldiers. The phrase in the Hebrew is very full; a power, or great host, very, very great. Thus they rise, that the prophet and we might know how safe they would be in themselves, and how terrible to their enemies.