feather /ˈfeðə/ n. ［c］羽毛：Feathers are very light, so that we say “as light as a feather”. 羽毛很轻，所以我们可说“像羽毛一样轻”。Fine feathers make fine birds. 人在衣裳马在鞍。birds of a feather 一类的：Birds of a feather flock together. 物以类聚。