古书中出现的“三尺”一词,有时不是指长短或深浅.如“吾以布衣提三尺取天下”、“先辈匣中三尺水”,这里的“三尺”是指宝剑,古代剑身一般长约三尺,故有此别名.水,比喻剑的光芒.又如“三尺安出哉?”这里的三尺是指的法律,因 The word “three feet” appears in ancient books, sometimes not referring to the length or the depth.As “I use commoner to get three feet for the world,” “advanced box in three feet of water”, where “three feet” refers to the sword, ancient The blade body is generally about three feet long, so there is this alias .Water, metaphor of the sword of light. Another example is “three feet out of a zai?” Three feet here refers to the law, because