lighter than a goose feather; be entirely of no significance; be of no importance at all; without significance
❍ 人固有一死，或重于泰山，或～。(司马迁《报任少卿书》)Though death befalls all men alike,it may be weightier than Mount Tai or lighter than a feather.
轻于鸿毛
lighter than a goose feather
人固有一死，或重于泰山，或～。(《史记·报任少卿书》) Though death befalls all men alike,it may be weightier than Mount Tai or lighter than a feather.(Records of the Historian)
轻于鸿毛qīnɡ yú hónɡ máo
鸿毛：大雁的毛。比大雁的毛还要轻。比喻毫无价值。lighter than a goose feather, feather-light