This is the 2228th most frequent Chinese word.
生动
Vivid; lively; expressive.
In this sentence, '生动' is used to describe the vibrant and lifelike quality of the colors in the painting.
这幅画的色彩搭配十分生动。
The color composition of this painting is very vivid.
Here, '生动' characterizes the engaging and illustrative manner in which the story was narrated.
他生动地讲述了那段经历，让人仿佛身临其境。
He vividly described that experience, making people feel as if they were there.
'生动' in this context speaks to the detailed and realistic portrayal of the book's characters.