Haiku such as "kyo" () may look like two syllables to English speakers but are in fact a single "on" (as well as a single syllable) in Japanese. In 1973, the Haiku Society of America noted that the norm for writers of haiku in English was to use 17 syllables, but they also noted a trend toward shorter haiku. Shorter haiku are very much more common in 21st century English haiku writing. Some translators of Japanese poetry have noted that about 12 syllables in English approximate the duration of 17 Japanese "on". Also in translations four lines is more appropriate for
Haiku of the 18th century (in regard to this period of "haikai", it came to mean 'trite' and 'hackneyed'). Shiki also criticized Bashō. Like the Japanese intellectual world in general at that time, Shiki was strongly influenced by Western culture. He favored the painterly style of Buson and particularly the European concept of "plein-air" painting, which he adapted to create a style of haiku as a kind of nature sketch in words, an approach called "shasei" (, "sketching from life"). He popularized his views by verse columns and essays in newspapers. Hokku up to the time of Shiki, even when appearing