昼 ㄓㄡ ˋ zhòu 伏 ㄈㄨ ˊ fú 夜 ㄧㄝ ˋ yè 出 ㄔㄨ chū 晝 ㄓㄡ ˋ zhòu 伏 ㄈㄨ ˊ fú 夜 ㄧㄝ ˋ yè 出 ㄔㄨ chū nocturnal to hide by day and come out at night