简答题The most important accesses to English collocations are dictionaries and corpus-based programs.简答题Collocation is a sequence of words which co-occur more often than would be expected by chance.简答题Each language has its specific proverbs with regard to their origins.简答题Idioms are the sentences whose meaning can always be inferred from the meaning of its components.简答题Lexical chunks can be either individual words or a group of highly frequent words.