featherweights
n. 羽量级拳击运动员( featherweight的名词复数 ); 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·凯利教他们像次轻量级拳击手那样去打拳.