鴻毛泰山 [鸿－－－]

Jyutping hung4 mou4 taai3 saan1
Pinyin hóng máo tài shān

Definitions (CC-CEDICT)
  1. lit. light as a goose feather, heavy as Mt Tai (idiom)
  2. fig. of no consequence to one person, a matter of life or death to another