brush up on your knowledge

USAGE SUMMARY

"brush up on your knowledge" is correct and usable in written English.
You can use it when you want to encourage someone to review something they already know, or to suggest that someone learn more about a particular subject. For example: "If you want to succeed in the upcoming biology quiz, you should brush up on your knowledge of cellular respiration."

✓ Grammatically correct

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

13 human-written examples

So there's no time like the present to brush up on your knowledge of what to expect and how to behave in Johannesburg, South Africa's business capital.

The Economist

By The New Yorker December 15, 2015 As the candidates practice their rejoinders and enunciation ahead of the Republican debate, you can brush up on your knowledge of the front-runners.

The New Yorker

I won't go into any details about XSLT, but needless to say you'll need to brush up on your knowledge of it.

TechCrunch

If you want to give it a try yourself, Cerego offers a number of demos here (and if you want to brush up on your knowledge of Silicon Valley luminaries, here is another good demo).

TechCrunch

Well, first of all, you clearly need to brush up on your knowledge of desert-based nocturnal big cats, (because that's what a caracal is).

Vice

Thanks to the blog Spotify Classical Playlists, you don't need a textbook or a professor to brush up on your knowledge of lady composers past.

Huffington Post

Human-verified similar examples from authoritative sources

Similar Expressions

47 human-written examples

Prior to the fair opening, it will feature two days of an educational History Series with lectures, conversations, panel discussion and more to assist you in brushing up on your knowledge before you hit the floor running.

Forbes

You need to brush up on your coin knowledge!

BBC

If you want to brush up on your trivia knowledge, this is the place to go.

HuffPost

(Don't forget ladies, you can always brush up on your NFL knowledge by checking out our Football Chicktionary).

Huffington Post

So, lest you get caught unprepared the next time someone muses, "I wonder how the Oscar got its name?" brush up on your Academy Awards knowledge now with our trivia quiz.

Los Angeles Times

Expert writing Tips

Best practice

When preparing for a specific event, like a test or presentation, use "brush up on your knowledge" to focus your studying on the most relevant areas.

Common error

While "brush up on your knowledge" implies some existing familiarity, ensure you're not glossing over fundamental concepts. A quick review of the basics can prevent misunderstandings later on.

Linguistic Context

The phrase "brush up on your knowledge" functions as a directive, urging someone to review or improve their understanding of a specific subject. As supported by Ludwig, the phrase is grammatically correct and suitable for encouraging revision.

Expression frequency: Common

Frequent in

News & Media

50%

Wiki

30%

Formal & Business

10%

Less common in

Academia

5%

Science

3%

Encyclopedias

2%

Ludwig's WRAP-UP

In summary, "brush up on your knowledge" is a grammatically sound and commonly used phrase that encourages reviewing or improving one's understanding of a subject. As Ludwig AI confirms, it's suitable for various contexts, though more formal alternatives may be preferable in professional settings. The phrase is most frequently found in News & Media and Wiki articles, offering practical advice or suggestions for self-improvement. When using it, remember to focus on the relevant areas and not to overestimate existing knowledge.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

refresh your understanding

Focuses on renewing existing knowledge, implying a prior understanding that needs revitalization.

review your expertise

Emphasizes a re-examination of established skills and proficiency in a specific field.

improve your familiarity

Highlights the enhancement of one's acquaintance with a subject, suggesting a move towards greater comprehension.

sharpen your command

Implies refining one's mastery or control over a skill or area of knowledge.

update your awareness

Stresses the need to bring one's understanding current with the latest information or developments.

revisit your learning

Suggests a return to previously studied material for reinforcement and deeper understanding.

polish your skills

Focuses on refining existing abilities, implying a need for increased precision and effectiveness.

hone your insights

Emphasizes the refinement of one's perceptive abilities and deeper understandings.

enhance your competence

Suggests an overall improvement in one's capability to perform a task or understand a subject.

refine your grasp

Focuses on improving one's understanding or control, suggesting a movement towards finer detail.

FAQs

How can I use "brush up on your knowledge" in a sentence?

You can use "brush up on your knowledge" to suggest reviewing existing information. For example, "Before the exam, make sure to brush up on your knowledge of the key concepts."

What are some alternatives to "brush up on your knowledge"?

Alternatives include phrases like "refresh your understanding", "review your expertise", or "improve your familiarity".

Is it appropriate to use "brush up on your knowledge" in formal writing?

While "brush up on your knowledge" is generally acceptable, more formal alternatives like "review your expertise" might be preferred in highly formal contexts.

What does "brush up on your knowledge" imply about my current understanding?

"Brush up on your knowledge" suggests you have some existing understanding but need to review or refresh it to improve your grasp of the subject.