a movement (= a new style or set of principles) in art, literature, music, and film developed in the early 20th century that went against accepted ideas of what is beautiful or good art and used humour and the absurd (= things considered silly or that make no sense) as a way to protest against society

These Swedish avant-garde movies are heavily influenced by Dadaism and Surrealism. 这些瑞典前卫电影深受达达主义和超现实主义的影响。