复沓,又称复叠,是为提高语言表现力而有意反复运用同一语言成分的修辞方式。依据复沓成分的不同,可分为叠字、叠词、叠句和叠章;依据复沓位置的不同,可分为连续复沓和间隔复沓。犯复,是指出现不规范的重字或语意重复,是思想混乱、内容空虚、语言累赘的表现。 Duplication, also known as cascade, is a rhetorical means of repetitively applying the same linguistic component in order to improve language expressiveness. According to the different composition of the complex stack, can be divided into stack word, stack word, stack sentence and stack chapter; according to the different position of stack, can be divided into continuous stack and interval stack. Complex, refers to the emergence of non-standard heavy words or semantic repetition, is the chaotic thinking, empty content, language cumbersome performance.