鸿爪雪泥
      Explanation: Metaphor past traces. Language of the Song Shi "and the child by the Mianchi nostalgia."
      Source: Phrase from the Song Shi "and sub from the Mianchi nostalgia" to know what life is like everywhere should be like Snapshots Taxue mud, snow, footprints left by accident. "
      Examples: Remembrance of the year live-in, or lotus lantern and mining, or drag feet and Yang Xing, Hu Hu tea life short legs of slaves, burning grasses and tired of Lao Zi Mei Pang, 忽忽 four or five years, ~, are the thing of the past. ★ Qing Yuan Mei, "A He Xiankui Ming House Book"