1.Imagism（意象派）: It’s a poetic movement of England and the U.S. flourished from 1909 to 1917.The movement insists on the creation of images in poetry by “the direct treatment of the thing” and the economy of wording. The leaders of this movement were Ezra P ound and Amy Lowell.2.Local colorism: as a trend became dominant in American literature in the 1860s and early 1870s，it is defined by Hamlin Garland as having such quality of texture and background that it could not have been written in any other place or by anyone else than a native stories of local colorism have a quality of circumstantial(详细的) authenticity(确实性), as local colorists tried to immortalize(使不朽) the distinctive natural, social and linguistic features. It is characteristic of vernacular(本国语) language and satirical(讽刺的) humor3.Psychological Realism: James’s realism is characterized by his psychological a pproach to his subject matter. His fictional world is concerned more with the inner l ife of human beings than with overt human actions. His best and most mature wor ks will render the drama of individual consciousness and convey the moment-to-mo ment sense of human experience as bewilderment and discovery. And we observe people and events filtering through the individual consciousness and participate in h is experience. This emphasis on psychology and on the human consciousness prov es to be a big breakthrough in novel writing and has great influence on the comin g generations. James is generally regarded as the forerunner of the 20th century " stream-of-consciousness" novels and the founder of psychological realism.4.International theme:Henry James’s fame generally rests on his novels and stories with the international theme. These novels are always set against a large international background, usually between Europe and America, and centered on the confrontation of the two different cultures with two different groups of people representing two different value systems.The treatment of the international theme is characterized by the richness of syntax and characterization and the originality in point of view, symbolism, metaphoric texture, and organizing rhyme. James is now more mature as an artist, more at home in the craft of fiction.5. Modernism：It was a complex and diverse （复杂多样的）international movement in all the creative arts （创造性艺术），originating about the end of the 19th century. It provided （出现）the greatest creative renaissance of the 20th century. It was made up of many facets （方面），such as symbolism，surrealism （超现实主义），cubism （立体主义），expressionism，futurism （未来主义），ect6. American Realism: In American literature, the Civil War brought the Romantic Period to an end. The Age of Realism came into existence. It came as a reaction against the lie of romanticism and sentimentalism. Realism turned from an emphasis on the strange toward a faithful rendering of the ordinary, a slice of life as it is really lived. It expresses the concern for commonplace and the low, and it offers an objective rather than an idealistic view of human nature and human experience.7.Surrealism(超现实主义):An anti-rational movement of imaginative liberation in European in art and literature in the 1920s and 1930s, which launched by Andre Breton after his break from the Dada group in 1922. Surrealism seeks to break down the boundaries between rationality and irrationality, exploring the resources and revolutionary energies of dreams, hallucinations and sexual desire. Influenced both by the symbolists and by Sigmund Freud’s theories of the unconscious, the surrealists experimented with automatic writing and with the free association of random images brought in surprising juxtaposition.8. Naturalism: American naturalism was a new and harsher realism. American naturalism had been shaped by the war; by the social upheavals（剧变）that undermined the comforting faith of an earlier age. America’s literary naturalists dismissed the validity of comforting moral truths. They attempted to achieve extreme objectivity and frankness, presenting characters of low social and economic classes who were determined by their environment and heredity. Although naturalist literature described the world with sometimes brutal realism, it sometimes also aimed at bettering the world through social reform.9. Hemingway Code Hero(海明威式英雄): Hemingway Code Hero ,also called code hero, is one who, wounded but strong more sentitive, enjoys the pleasures of life( sex, alcohol, sport) in face of ruin and death, and maintains, through some notion of a code, an ideal of himself.2> barnes in the sun also Rises, henry in a Farewell to arms and santiago in the old man and the sea are typical of Hemingway Code Hero10.Iceberg Theory :Ernest Hemingway’s “iceberg theory”suggests that the writer include in the text only a small portion of what he knows, leaving about ninety percent of the content a mystery that grows beneath the surface of the writing. If a writer of prose knows enough about what he is writing about he may omit things that will have a feeling of those things as strongly as though the writer had stated them. The dignity of movement ofan iceberg is due to only one-eighth of it being above water. A good writer does not need to reveal every detail of a character or action11.American Dream:American dream means the belief that everyone can succeed as long as he/she works hard enough. It usually implies a successful and satisfying life. It usually framed in terms of American capitalism（资本主义）, its associated purported meritocracy,（知识界精华）and the freedoms guaranteed by the U.S. Bill of Rights.12. Jazz age(爵士时代):The Jazz Age describes the period of the 1920s and 1930s, the years between world war I and world war II. Particularly in north America. With the rise of the great depression, the values of this age saw much decline. Perhaps the most representative literary work of the age is American writer Fitzgerald’s The Great Gatsby. Highlighting what some describe as the decadence and hedonism, as well as the growth of individualism. Fitzgerald is largely credited wi th coining the term” Jazz Age”.（了解）13.Stream of consciousness（意识流）：It is one of the modern literary techniques. It is the style of writing that attempts to imitate the natural flow of a character’s thoughts, feelings, reflections, memories, and mental images as the character experiences them. It was first used in 1922 by the Irish novelist James Joyce. Those novels broke through the bounds of time and space, and depicted vividly and skillfully the unconscious activity of the mind fast changing and flowing incessantly。