polish up 1. 擦光，擦亮；被擦光，被擦亮 Polish up the silver ready for the important dinner. 把银器擦亮，准备在重大宴会上用。 These old pieces of brass have polished up beautifully. 这几件旧铜器已被擦得光亮可鉴。 2. 〈口〉使完美，改进 I must polish up my French before I go to Paris. 在去巴黎前我必须再提高一下法语。 He's polishing up on his German. 他在进修德语。 3. 〈美俚〉〈罕〉[只用被动语态]使醉