“咫尺天涯”比喻距离虽近但很难相见,像在很远的天边一样。古代周制八寸为一咫,十寸为一尺,两者很接近。尺是个标识,周制寸、咫、尺、仞、寻、常诸度,皆以人之体为法。尺本义为十寸。最初的年代里,男人手掌伸展,拇指与中指之间的距离谓之“尺”。咫是古代长度单位,合今市尺六寸二分二厘。女子手掌伸展,拇指与中指之间的距离则谓之“咫”。所以,尺比咫长。 “Close to End of the World ” Metaphor Although the distance is very close but difficult to meet, like the horizon in the very far away. Eight-inch ancient system of weeks for a close, ten-inch for a foot, the two are very close. Ruler is a logo, weeks system inch, close, feet, 仞, find, often Zhu degrees, all of the human body for the law. Ruyi meaning of ten inches. In the first years, the man’s hand stretched out and the distance between the thumb and middle finger called “foot”. East is the ancient unit of length, together with the city today six feet two cent two cent. Women’s hand stretched out, the distance between the thumb and middle finger is called . So, feet than long.