Dickens was one of the important representatives of 19th century English literature. His works described the dark side of society and exposed the weaknesses of human nature. The language was concise, vivid and highly expressive. The following are some examples of Dickens's language: Dickens 'language is concise and clear, often using refined language to express complex thoughts and emotions so that readers can easily understand and feel. For example, in A Tale of Two Cities, the phrase " It is a fact that no one can make themselves happy all at once One must learn to content oneself " expressed the importance of learning to be content and introspection. Dickens 'language is vivid and can capture the readers' attention and emotions. For example, in " Oliver Twist "," There are two ways of thinking in this world, one is clear, the other is black." Through a simple metaphor, Dickens profoundly revealed the two modes of human thinking and behavior, allowing readers to have a deeper understanding of the plot and characters of the story. Dickens 'language could also reveal the weakness of human nature and social problems, reflecting the dark side of society at that time. For example, in David Copperfield, There are some people who are always looking for a good time. They don't want to work, they don't want to study, they want to be happy. This sentence reveals the limitations and shortcomings of those who only pursue happiness and enjoyment, and deeply reflects the social class division and moral degeneration at that time. To sum up, the cleverness of Dickens 'language lies in its ability to express complex thoughts and emotions concisely and clearly. It has a vivid expression, revealing the weaknesses of human nature and social problems, reflecting the dark side of society at that time, so that readers have a deeper understanding of the plot and characters of the story.