蒙學漢文初階 第一百三十六課 Beginning Chinese - Entry Level Lesson #136 鼠晝行院中 rat day walk courtyard inside 適有人過 suitable have person pass 夫鼠晝伏夜行 [introductory particle] rat day crouch/hide night move 乃其宜也 hence it appropriate [ep] 出入無時 exit entry no hour 遂殺其身 then kill its body 可不戒哉 can not cautious ! If a rat crosses the courtyard in the day and man happens to pass by… This is why it hides during the day and becomes active at night. Hence it is an appropriate thing for it to do. Coming and going at anytime will bring death unto itself. It cannot afford not to be not cautious! Note: 無時 literally no time, means anytime!