Adam Clarke on Nahum 2:8

But Nineveh is of old like a pool of water - מימי mimey, from days. Bp. Newcome translates the line thus: "And the waters of Nineveh are a pool of waters." There may be reference here to the fact given in the preceding note, the overflowing of the river by which the city was primarily destroyed.

Stand, stand - Consternation shall be at its utmost height, the people shall flee in all directions; and though quarter is offered, and they are assured of safety it they remain, yet not one looketh back.