NET

25 Certainly you must have heard! Long ago I worked it out. In ancient times I planned it; and now I am bringing it to pass. The plan is this: Fortified cities will crash into heaps of ruins.

Darby

25 Hast thou not heard long ago that I have done it? And that from ancient days I formed it? Now have I brought it to pass, that thou shouldest lay waste fortified cities [into] ruinous heaps.

KJV

25 Hast thou not heard long ago [how] I have done it, [and] of ancient times that I have formed it? now have I brought it to pass, that thou shouldest be to lay waste fenced cities [into] ruinous heaps.