He was captured and ended up in a prisoner of war camp, and it was a terrifying time for him, because if it was discovered that he was a Jew, he could have been moved to a concentration camp, where he most likely would not have survived.
Fu catturato e fatto prigioniero in un campo di guerra, e per lui fu un periodo terrificante, perché se avessero scoperto  che lui era ebreo, avrebbe rischiato di essere deportato  in un campo di concentramento, dove molto probabilmente  non sarebbe sopravvissuto.