The main means of description used in the article are: portrait description, psychological description, action description and detail description. Portrait Description: The description of the protagonist's appearance, such as tall, dark skin, bright eyes, etc., helps the reader better understand the protagonist's image and personality. The psychological description: The protagonist is hesitant on the ladder, and his heart is full of contradictions and fear. This psychological description allows the reader to have a deeper understanding of the protagonist's inner feelings. Description of action: The article describes the specific actions of the protagonist, such as climbing up the ladder and carefully taking each step when he comes down. These descriptions give the reader a deeper understanding of the protagonist's actions. Details: The article described the different types of ladders, different heights, and different materials. These descriptions allow the reader to have a deeper understanding of the characteristics and functions of the ladder. 2. The double meaning of "ladder" had different meanings: On the one hand, the ladder is a tool. When the protagonist climbs on the ladder, he means that he is going to achieve his goal. On the other hand, the "ladder" also represented the ladder of life. The protagonist said that the process of climbing the ladder was also the process of climbing up step by step, symbolizing his pursuit of success.