It was necessary to save Karenin from meeting her, necessary even to save him from the painful knowledge that that dreadful woman was in the same town with him, and that he might come across her at any moment.
Tenía que salvar a Karenin impidiéndole ver a Ana; incluso debía evitarle la penosa noticia de que aquella terrible mujer se hallaba en la misma ciudad que él y donde en cada momento podía encontrarla.