"AS A JAPANESE COULD YOU NOT COMBINE THESE TWO FOREIGN ELEMENT"
I DIN UNDERSTAND THIS STATEMENT.PLZ EXPLAIN.
The General is asking Sadao to combine the ruthlessness of Germans with American sentimentality. If Sadao was as ruthless as the Germans were towards their prisoners, then he could have easily turned the wounded soldier over to the police. However, being a doctor he also needs sentimentality and love for another human being.