The main content, central idea, and character introduction of Hesitation.

"Hesitation" was a novel by Lu Xun that described the experiences of the protagonist Fang Hongjian while studying abroad. Main content: Fang Hongjian studied in Japan at the end of the Qing Dynasty and came into contact with advanced ideas and culture. However, due to the social environment at that time and his own limitations, it was difficult for him to adapt to this change. While studying in Japan, he met many different people, including teachers and classmates with different cultural backgrounds. Their thoughts, behaviors and lifestyle were completely different from his. After returning to China, Fang Hongjian faced all kinds of difficulties and challenges. He felt the decline and isolation of traditional culture, but also felt the injustice of society and the distortion of human nature. In the novel, Fang Hongjian gradually revealed the various problems of Chinese society at that time through his own choices and actions, and thought about the relationship between individuals and society, tradition and modern times. Central idea: Through Fang Hongjian's experience of studying abroad, the novel explored the conflict and transformation between modern society and traditional culture, as well as the relationship between individuals and society. Fang Hongjian's experience and thoughts in the novel reflected the reality of Chinese society at that time and the contradictions in people's hearts. At the same time, it also inspired people to maintain independent thinking and critical spirit in the face of the changes of the times, constantly pursuing progress and change. Character Introduction: Fang Hongjian is an important figure in the history of modern Chinese literature. He was born into a wealthy family but was influenced by traditional culture when he was growing up. After studying in Japan, he began to come into contact with advanced ideas and culture, gradually getting rid of the shackles of traditional culture and becoming an independent thinking and critical spirit. His works reflected the reality of Chinese society at that time and the contradictions in people's hearts, which had a profound impact on the development of modern Chinese literature and thought.