Under great pressure at Kyoto University for refusing to "volunteer" for military service, Peng left his studies. On the way to join his brother in Nagasaki, an American bomb severed his left arm.
由於抗拒「志願從軍」，彭明敏在東京帝大蒙受鉅大壓力的情形下離校出走，不幸又在前往長崎投奔哥哥的途中，被美軍軍機炸斷左手臂。