to the point where the person or thing in question cannot be recognized
beyond recognition.
За ним, натягивая подол рубахи на порванную штанину, гнется Лагутин, третий - тамбовец Игнат, следующий -Ванька Болдырев, изменившийся до неузнаваемости, постаревший, по меньшей мере, на двадцать лет (Шолохов 3). Next to him stood Lagutin, leaning over to pull the hem of his vest over his torn trouser leg. The third was Ignat, the man from Tambov, and next to him was Vanka Boldyrev, who had changed beyond recognition and looked at least twenty years older (3a)