In China's classic numerology books, there is no direct and clear definition of this word. The word "hard" often appears in the folk saying "bone and life", such as "wife and palace are hard"
Hard life probably has two meanings: the first meaning is the so-called hard life concept of the people. This hard concept often contains the following meanings: 1. The vitality is tenacious and often suffers setbacks, but basically it can survive and survive. 2. Having the meaning of "gram" is often lonely, which is not conducive to parents and relatives, so it is often lonely.
The second meaning: from the perspective of eight characters, if a person's eight-character day is too prosperous, it can be regarded as hard luck. For example, someone belongs to the five elements of wood, and if he hits wood extremely hard, it is a tough guy's character.