头发由黑转白是人体的生理现象,是年龄进入一定阶段的标志。古人的寿命远不及我们今人,对于生老病死自然格外关注,因这种关注便产生了许多意趣各异的咏白发诗。做诗要苦思冥想、绞尽脑汁,诗人们自然便将发白的原因归之于作诗。“才吟五个字,又白几茎须。”(方干《赠喻凫》)五个 Hair from black to white is the body’s physiological phenomenon is a sign of age into a certain stage. The ancients have far less life expectancy than we are today, and we are especially concerned about the death and illness of the ancients. Because of this concern, we have produced many poems of different colors with different meanings. Poetry to think hard thinking, rack their brains, the poet will naturally blame the reason attributed to poetry. “Only pray five words, a few white stalks.” (Fang Qian “gift metaphor”) five