Read it through once

But the fighting went on just the same. The enemy mined, the English counter-mined, and, turn about, they blew up each other's posts. The Residency grounds were honey-combed with the enemy's tunnels. Deadly courtesies were constantly exchanged—sorties by the English in the night; rushes by the enemy in the night—rushes whose purpose was to breach the walls or scale them; rushes which cost heavily, and always failed.