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Are there differences between "brush up" and "go over" say in the following example:

go over all information

and

brush up all information

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    Not your question, but I would use "review all the information". – user3169 Sep 22 '14 at 16:26
  • The second idiom should be brush up on, I think, not just brush up. I would say, "I'm going back to school next month; I need to brush up on my calculus," not, "...brush up my calculus." – J.R. Sep 22 '14 at 19:14
  • brush something up to improve one's knowledge of something or one's ability to do something. (See also brush up (on something).) I need to brush my French up a little bit. I need to brush up my French. – learner Sep 30 '15 at 19:28
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To me, to go over some information is to read it in a flash, that is, not too deeply. Whereas to brush up on some information to re-read something I've already read before, to remind myself of the contents.

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    I completely agree with your definition of brush up as "re-learn or re-read something", but I'd say go over doesn't imply speed. A teacher might say, "Today in class, we'll go over a new way to perform integrals." -- it doesn't necessarily mean the topic will be covered quickly; it only means that the topic will be discussed. If I wanted to imply speed, I would use "quickly go over", e.g., "We'll quickly go over the notes from last week." – apsillers Sep 22 '14 at 12:54
  • Hmm, now that you mention it, I agree. Perhaps I misread and saw it as brush over. – StorymasterQ Sep 22 '14 at 13:09
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    To "brush up on" information is to re-learn it, as you say. But to "brush up" something -- without the "on" is to clean it up. If someone said, "I am going to brush up on the fuel injector section of the manual", I would take that to mean that he is going to re-read it and get it all back in his mind. But if he said, "I am going to brush up the fuel injector section of the manual", I would understand that to mean that he is involved in writing the manual and he is going to make some updates, fix errors, etc. – Jay Sep 22 '14 at 17:07

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