雪泥鴻爪 [－－鸿－]

Jyutping syut3 nai4 hung4 zaau2
Pinyin xuě ní hóng zhǎo

Definitions (CC-CEDICT)
  1. a goose's footprint in the snow
  2. vestiges of the past (idiom)
  3. the fleeting nature of human life (idiom)