to brush up
01
温习, 更新知识
to practice and improve skills or knowledge that one has learned in the past
Transitive: to brush up a skill or knowledge
语法信息
形态构成
短语
动作动词
规则
可分离
小品词
up
基本动词
brush
现在时
brush up
第三人称单数
brushes up
现在分词
brushing up
一般过去时
brushed up
过去分词
brushed up
例子
The chef is brushing up on culinary techniques to stay updated.
厨师正在温习烹饪技巧以保持更新。
02
擦亮, 清理
to make something better as if by polishing and removing dust
Transitive: to brush up a surface
例子
The jeweler carefully brushed up the silver necklace, removing any tarnish.
珠宝商仔细地擦拭了银项链，去除了任何污渍。
