The Question and Answer section for The Boy in the Striped Pajamas is a great resource to ask questions, find answers, and discuss the novel.
When Pavel spilled the wine, Lt. Kotler brutally punished him, and no one, not even his father, seemed to care.
He did not want his children to anoy Hitler in any way. Hitler was the most powerful man in Germany: he was also father's boss. He wanted to make a good impression on the "fury".
Can you complete your question?