士别三日,当刮目相待
      Explanation: An improvement that others can not see him with her old eyes.
      Source: "Three Kingdoms Wu Lu Meng Biography" note cited "Jiang Table Biography" who do not three days, which is more Guamuxiangdai. "
      Examples: (Cai) is always ~ for Lu Xun's. (Guo, "Lu Xun and Wang Guowei")