stand from under

listen to the pronunciation of stand from under
İngilizce - İngilizce
to escape something falling or being thrown from above

I see I was in a fix now. But it warn't no use to worry; there warn't nothing to do but just hold still, and try and be ready to stand from under when the lightning struck. — Mark Twain, The Adventures of Huckleberry Finn, 1884.

move oneself away from something that is about to collapse