三寒四温 さんかんしおん Meanings Noun alternation of three cold and four warm days (usu. in late winter and early spring) Kanji 三 three. Read as サン. 寒 cold. Read as カン. 四 four 温 warm. Read as オン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists