featherweight
/ˈfeðəweɪt/noun
mass noun
1- a weight in boxing and other sports intermediate between bantamweight and lightweight. In the amateur boxing scale it ranges from 54 to 57 kg.（拳击和其他体育运动的）次轻量级, 羽量级（业余拳击赛中级别为54-57千克）。
1.1
- count noun a boxer or other competitor of this weight次轻量级（或羽量级）拳击运动员（或其他选手）。
1.2
- count noun a very light person or thing分量很轻的人（或物）。
1.3
- count noun a person or thing not worth serious consideration无足轻重的人（或事物）：
he is an intellectual featherweight.
他智力平庸。