What Does “Brush up on sth” Mean?
“Brush up on sth” means to review or improve your knowledge or skills in a particular subject or activity, especially if you have not practiced it for some time.
Introduction
The phrase “brush up on sth” is a useful phrasal verb in English that helps you talk about refreshing your knowledge or skills. If you once learned something but feel a little rusty, you can “brush up on” that topic to regain confidence and improve your ability. This is common when preparing for exams, work tasks, or even hobbies. Understanding the “brush up on sth meaning” can help you express your learning process clearly and naturally. It is widely used in everyday conversations and professional contexts, making it an important phrase to know.
Quick Info Box
- Phrasal verb: brush up on something
- Type: transitive
- Level: B1 (Intermediate)
- Short meaning: to review or improve your knowledge or skills
Structure (Grammar Rules)
“Brush up on sth” is a separable phrasal verb followed by a preposition “on.”
- Subject + brush up + on + object (something)
- Example: I need to brush up on my French.
Note: The object must come after the preposition “on.” You cannot separate “brush up” from “on.”
How to Use “Brush up on sth”?
You use “brush up on sth” when you want to say that you are reviewing or practicing a skill or knowledge area that you already know but need to improve or remember better. It is often used before tests, interviews, or returning to an activity after a break.
Common subjects include languages, professional skills, or school subjects. For example, “brush up on your math” means to review math skills you have learned before.
Examples
- She decided to brush up on her Spanish before traveling to Mexico.
- Before the job interview, I brushed up on my presentation skills.
- He needs to brush up on his driving because he hasn’t driven for two years.
- We should brush up on the company’s history before the meeting.
- Brush up on your grammar if you want to improve your writing.
Common Mistakes
- Incorrect: I want to brush up my English.
Correct: I want to brush up on my English. - Incorrect: She is brushing up English.
Correct: She is brushing up on English. - Incorrect: He needs to brush up on it quickly. (if ‘it’ is unclear)
Correct: He needs to brush up on his math skills quickly.
Differences / Synonyms
Similar phrases include:
- Review: To go over material again, often used in academic settings. “Brush up on” implies a quicker or more casual review.
- Practice: To repeat an activity to improve skill. “Brush up on” focuses more on refreshing knowledge than just practice.
- Revise: Mainly used in British English for studying again before exams, similar to “brush up on.”
In summary, “brush up on” is more informal and implies improving something you once knew, while “practice” is about doing something repeatedly, and “review” is more neutral and formal.
Common Collocations
- Brush up on skills
- Brush up on knowledge
- Brush up on a language
- Brush up on grammar
- Brush up on math
- Brush up on facts
Related Phrasal Verbs
Here are related phrasal verbs of brush up on sth:
Real-life Dialogue
Anna: I have a presentation next week, but I haven’t spoken in public for a while.
Ben: You should brush up on your public speaking skills. Maybe practice in front of a mirror?
Anna: That’s a good idea. I’ll do that today.
Practice
Fill in the blanks with the correct form of “brush up on”:
- I need to ________ my computer skills before starting the new job.
- She is ________ her French because she plans to study in Paris.
- Before the exam, we should ________ the main topics.
- He wants to ________ his cooking techniques this summer.
FAQs
- Q: Can I use “brush up on” for skills I have never learned?
A: No, it is used to improve or review skills or knowledge you already have. - Q: Is “brush up on” formal or informal?
A: It is generally informal and used in everyday conversations. - Q: Can I say “brush up my English”?
A: No, you must say “brush up on my English.” - Q: What is the difference between “brush up on” and “review”?
A: “Brush up on” is more casual and implies refreshing knowledge, while “review” is more formal. - Q: Is “brush up on” used only for languages?
A: No, it can be used for any skill or knowledge area.
