雪泥鴻爪

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

Character by character

• 雪(xuě)surname Xue
• 泥(ní)mud
• 鴻(hóng)eastern bean goose
• 爪(zhǎo)foot of a bird or animal