1.wine/film/opera etc buffKNOW somethingsomeone who is interested in wine, films etc and knows a lot about them 葡萄酒专家/影迷/歌剧爱好者等► see thesaurus at expert
2buff upphrasal verbphr v informalto exercise in order to make your musclesbigger 锻炼肌肉
Smith buffed up for his role as Muhammad Ali.
史密斯为了扮演穆罕默德·阿里而锻炼肌肉。
Examples from the Corpus
buff• It also may be because she polishes her work to a high sheen, sometimes buffing away a pesky fact or two.• Some manicurists will then buff the nail with a chamoispad to impart a sheen on the finisheditem.• To age the look of the gourds, she buffs them with shoe polish.• The next stage is buffing to a gloss finish.
buff3adjectiveadj
1having a pale yellow-brown colour 浅[暗]黄褐色的,米色的
buff envelopes
米色信封
2informalattractive and looking as if you do a lot of exercise – used especially by young people 健美的〔尤为年轻人使用〕
He’s so buff!
他那身肌肉真棒!
Originbuff1
1. (1900-2000)buff“someone very interested in going to watch fires”((1900-2000)), from the buff-colored coats worn by volunteer New York City firefighters in the early 19th century.
2. (1700-1800)buff“yellow leather made from buffalo skin”((16-18 centuries)), from Old Frenchbuffle“wild cattle”, from Old Italianbufalo; BUFFALO
3. (1800-1900)buff“bare skin”((17-19 centuries)), from “leather”; → BUFF12
buff2
(1800-1900) → BUFF1; because leather was used for polishing ( → BUFF12)