What Does “Brush sth up” Mean?
“Brush sth up” means to improve or refresh your knowledge or skill in something you already know but may have forgotten or become rusty at.
Introduction
The phrase “brush sth up” is a common English phrasal verb used when someone wants to improve their existing knowledge or skills. It is especially useful when you have not used a skill for some time and want to get better or more confident with it again. For example, you might brush up your English before a trip or brush up your math skills before an exam. Understanding the brush sth up meaning helps learners communicate clearly about improving past skills rather than learning something new from scratch.
Quick Info Box
- Phrasal verb: brush something up
- Type: transitive
- Level: B1 (Intermediate)
- Short meaning: to improve or refresh a skill or knowledge
Structure (Grammar Rules)
“Brush sth up” is a separable phrasal verb. This means you can place the object between “brush” and “up,” or after the whole phrase.
- I need to brush my Spanish up.
- I need to brush up my Spanish.
Both forms are correct and commonly used. The object (something) is required because the verb is transitive.
How to Use “Brush sth up”?
You use “brush sth up” when talking about improving skills or knowledge that you learned before but are not currently confident with. It is often used with languages, academic subjects, or any practical skills.
Common contexts include preparing for a test, job interview, travel, or returning to a hobby after a break.
Examples
- Before the exam, she decided to brush her math skills up.
- He wants to brush up his French before moving to Paris.
- I need to brush up my driving before the test.
- They are brushing up their presentation skills for the meeting.
- Brush up your English if you want to get a better job.
Common Mistakes
- Incorrect: I will brush up on new skills tomorrow.
Correct: I will brush up old skills tomorrow. - Incorrect: She brushes up English well.
Correct: She brushes up her English well.
Remember, “brush up” is used for refreshing something you already know, not for learning something completely new. Also, always include the object.
Differences / Synonyms
Similar phrasal verbs include “revise,” “review,” and “practice.”
- Brush up vs Revise: “Revise” is often used in British English for studying before exams. “Brush up” is more general and informal.
- Brush up vs Review: “Review” means to look over something carefully and can be used for new or old information. “Brush up” specifically means to refresh old knowledge.
- Brush up vs Practice: “Practice” means to do something repeatedly to improve, while “brush up” suggests a quick refresh of existing skills.
Common Collocations
- Brush up your English
- Brush up your skills
- Brush up your knowledge
- Brush up your grammar
- Brush up your vocabulary
- Brush up your math
Related Phrasal Verbs
Here are related phrasal verbs of brush sth up:
Real-life Dialogue
Anna: I have a job interview next week. I think I need to brush my presentation skills up.
Ben: That’s a good idea. Do you want to practice together?
Anna: Yes, please! It will help me feel more confident.
Practice
Fill in the blanks with the correct form of “brush sth up”:
- I need to ______ my Spanish before the trip.
- She is ______ her coding skills for the new project.
- They want to ______ their knowledge of history.
- Before the exam, make sure to ______ your notes.
FAQs
- What does “brush sth up” mean?
It means to improve or refresh a skill or knowledge you already have. - Can I use “brush up” without an object?
No, “brush up” is transitive and needs an object like “English” or “skills.” - Is “brush up” formal or informal?
It is informal and commonly used in everyday conversations. - Can “brush up” be used for new skills?
No, it is for improving skills you already know. - What is a synonym for “brush sth up”?
“Refresh” or “revise” are close synonyms depending on context.
