buff

buff1
noun
[mass noun]
  1. a yellowish-beige colour
    浅黄色
    [as modifier]a buff envelope.
    浅黄色的信封。
  2. a stout dull yellow leather with a velvety surface
    暗黄皮草
  3. [count noun]a stick, wheel, or pad used for polishing or smoothing
    擦拭轮(或棒,垫),抛光轮
verb
  1. [with obj.]polish (something)
    擦亮
    he buffed the glass until it gleamed.
    他把玻璃一直擦到闪闪发亮。
    ■give (leather) a velvety finish by removing the surface of the grain
    给(皮革)上光
adjective
  1. (N. Amer. informal)(of a person or their body) in good physical shape with well-developed muscles
    (北美,非正式)(人)身材好的,体形好的
    the driver was a buff blond named March.
    司机金发碧眼,身材绝佳,名叫马奇。
常用词组
in the buff
  1. (informal)naked
    赤裸的
语源
  1. mid 16th cent.: probably from French buffle, from Italian bufalo, from late Latin bufalus (see buffalo). The original sense in English was 'buffalo', later 'oxhide' or 'colour of oxhide'

buff2
noun
  1. [with modifier](informal)a person who is enthusiastically interested in and very knowledgeable about a particular subject
    (非正式)爱好者,…迷
    a computer buff.
    电脑迷。
语源
  1. early 20th cent.: from buff, originally applied to enthusiastic fire-watchers, because of the buff uniforms formerly worn by New York volunteer firemen
英语宝典
考试词汇表