Many, especially if they were born after 1945, were unable to speak German; at home they spoke their regional dialect, and at school they were taught Polish and Russian. Those emigrants were usually manual laborers, farmers and craftsmen, most without higher education.
A significant number of people, particularly those born after 1945, struggled with speaking German; at home they used their local dialect, while in school they studied Polish and Russian. Most of these emigrants were manual laborers, farmers, or craftsmen, often lacking higher education.