also featherweight, "lightest weight allowable by rules," 1812 (earlier as simply feather, 1760), from feather (n.) + weight (n.). Originally in horse-racing; boxing use as a specific weight class dates from 1889.
权威例句
1. The feather must be removed with a straight, firm pull.
拔羽毛必须干净利落。
2. She and my mother were birds of a feather.
她和我妈妈是一个类型的人。
3. I taped the base of the feather onto the velvet.
我用胶带把羽毛的根部粘在了天鹅绒上。
4. Harry'sappointment to this important post was a feather in his cap.
哈里被任命担任如此要职,这是件荣耀的事。
5. Winning the gold medal was a feather in his cap.