brush up 详细解释
brush up
擦亮, 温习
刷拭(衣物), 温习(语言)
He needs to brush up his English before he goes to the U.S.
他去美国之前必须先温习他的英文。
英英释义
名词 brush up:
practice intended to polish performance or refresh the memory
动词 brush up:
refresh one's memory
bring to a highly developed, finished, or refined state
同义词：polish, round, round off, polish up
补充
brush upbrush up1.向上梳(某物)Don't brush my hair up the wrong way; it hurts.别把我的头发往上乱梳, 这样太疼了。2.〈非正〉温习He wants to brush up his knowledge of electronics.他想温习他的电子学知识。His spoken Arabic was hurriedly brushed up before he started for the Middle East.他在动身去中东以前, 把阿拉伯语匆匆复习了一下。例句
1. I had hoped to brush up my Spanish.我曾经希望能捡起西班牙语。 2. Eleanor spent the summer brushing up on her driving.这个夏天埃莉诺在重新练习驾驶。 3. to brush one's hair up把头发往上刷 4. to wash and brush oneself up梳洗打扮，把自己装扮整洁 5. It's time you brushed up your English,if you want to go to New York on holiday.如果你想去纽约度假，现在就该复习英语了。 6. My Spanish is very rusty. I need to brush up before I go on my vacation to Mexico.我的西班牙语很生疏了。在去墨西哥度假之前，我需要好好温习一下。 7. I need to brush up my Spanish.我需要好好温习一下西班牙语。 8. I need to brush up on my Spanish.我需要好好温习一下西班牙语。热门单词推荐
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