鴻ㄏㄨㄥˊhóng毛ㄇㄠˊmáo泰ㄊㄞˋtài山ㄕㄢshān

  1. 比喻二者輕重懸殊，多指生命價值的重大和輕微。語本《漢書·卷六二·司馬遷傳》：「人固有一死，死有重於泰山，或輕於鴻毛。」

英lit. light as a goose feather, heavy as Mt Tai (idiom)​, fig. of no consequence to one person, a matter of life or death to another