You wrote, “The girl was dressed normally but the mothers skirt barely covered her knees!”
That means the skirt did cover the knees, correct? So I don’t see what the issue is. Are you trying to put in new standards? Now covering the knees is not enough, it needs to go down to mid-calf?
Either that, or you need a lesson in English. Your use of “anotherwords” shows that you can use one anyway.