saam kap dai（三及第）is writing style combining Classical Chinese, Cantonese and Standard Chinese. The articles and stories written in saam kap dai first appeared in Canton newspapers in the 1940s to 1950s. It became more popular in Hong Kong newspapers from late 1940s to 1960s.
The use of different style of Chinese gives the article varied tones. Sentences in Classical Chinese give the formal tone. Standard Chinese is usually neutral. Cantonese gives an impression of colloquial, local speech and slang.