ㄑㄧㄥˊㄏㄨㄥˊㄇㄠˊqīngyúhóngmáo

轻于鸿毛
  1. 大雁形容價值 死有重於泰山,輕於鴻毛」。

light as a goose feather (idiom)​; trifling, unimportant