featherweights
n. 羽量級拳擊運動員( featherweight的名詞複數 ); 微不足道的人或物
A featherweight is a professional boxer who weighs between 53.5 and 57 kilograms, which is one of the lowest weight ranges.
Spider Kelly taught them to box like featherweights.
斯拜德·凱利教他們像次輕量級拳擊手那樣去打拳.