一暴十寒 いちばくじっかん Meanings Expression bursts of exertion will fail to bear fruit if interrupted by long periods of idleness (from Mencius) strenuous efforts, unless sustained, are to no avail Kanji 一 one. Read as イチ. 暴 violent. Read as バク. 十 ten. Read as ジッ. 寒 cold. Read as カン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists