名詞 buff:

1. an ardent follower and admirer
   同義詞：fan, devotee, lover
2. a soft thick undyed leather from the skins of e.g. buffalo or oxen
3. bare skin; naked
4. a medium to dark tan color
   同義詞：yellowish brown, raw sienna, caramel, caramel brown
5. an implement consisting of soft material mounted on a block; used for polishing (as in manicuring)
   同義詞：buffer

動詞 buff:

1. strike, beat repeatedly
   同義詞：buffet
2. polish and make shiny
   同義詞：burnish, furbish, flush

形容詞 buff:

1. of the yellowish-beige color of buff leather

1. The doctor ordered him to strip and there he stood in nature's buff.
   醫(yī)生命令他脫掉衣服，于是他一絲不掛地站在哪兒。
2. The trouble with "buffer states" in an age of jet aircraft and atomic weapons is that they do not buff.
   在這個噴氣式飛機和原子武器時代，緩沖國不再起緩沖作用了。
3. You must not bathe here in the buff.
   你不能光著身子在這里游泳。
4. He is a sports buff.
   他是一個體育運動愛好者。

buff

n.（名詞）
A soft, thick, undyed leather made chiefly from the skins of buffalo, elk, or oxen.
淺黃色皮革：一種主要由水牛皮，駝鹿皮或公牛皮制成的柔軟的，堅韌的未染色的皮革
A military uniform coat made of such leather.
用這種皮革制成的軍用制服
Color A pale, light, or moderate yellowish pink to yellow, including moderate orange yellow to light yellowish brown.
【色彩】 淺黃色，米色：淡黃色，淺黃色或從黃紅色到黃色的過渡色，包括中度的桔黃色到淡的黃褐色
Informal Bare skin:
【非正式用語】 赤裸的皮膚：
例句：
swimming in the buff.
裸泳

A piece of soft material, such as velvet or leather, often mounted on a block and used for polishing.
軟料：一塊軟料，如天鵝絨或皮革，常包在棒上用來上光
adj.（形容詞）
Made or formed of buff:
由牛皮制成的：
例句：
a buff jacket.
牛皮夾克

Color Of the color buff.
【色彩】 牛皮色
v.tr.（及物動詞）
buffed,buff.ing,buffs
To polish or shine with a piece of soft material.
用軟皮擦亮：用軟材料上光或擦亮
To soften the surface of (leather) by raising a nap.
使柔軟：通過使布料起絨來弄軟皮革表面
To make the color of buff.
弄成牛皮色

來源：
From obsolete buffle [buffalo]
源自 廢語 buffle [水牛]
from French buffle
源自 法語 buffle
from Late Latin bôfalus * see buffalo
源自 后期拉丁語 bôfalus *參見 buffalo

buff
buff 2

n.Informal （名詞）【非正式用語】
One that is enthusiastic and knowledgeable about a subject:
狂熱愛好者，…迷：對一個主題感興趣并且了解很多的人：
例句：
a Civil War buff.
一個國內戰(zhàn)爭迷

來源：
[From the buff-colored uniform worn by New York volunteer firemen around 920, originally applied to an enthusiast of fires and fire fighting]
[源于約在920年紐約志愿消防者穿的水牛皮顏色的制服，最初用于指一個對火災和滅火感興趣的人]