夏虫疑氷 かちゅうぎひょう Also written 夏虫疑冰 Meanings Noun being narrow-minded due to limited experience; refusing to believe in things outside of one's own limited experience (literally: a summer insect doubts the existence of ice) Kanji 夏 summer. Read as カ. 虫 insect. Read as チュウ. 疑 doubt 氷 ice. Read as ヒョウ. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists