What Does “sharpen sth up” Mean?
“Sharpen sth up” means to improve or make something better, often by making small changes or adjustments.
Introduction
The phrasal verb “sharpen sth up” is commonly used in English to describe the act of improving or refining something. Whether it’s a skill, a piece of writing, or even a physical object like a knife, to “sharpen something up” means to make it sharper, clearer, or more effective. Understanding the sharpen sth up meaning helps learners use this phrase naturally in conversations and writing. It is especially useful when talking about enhancing the quality or performance of something.
Quick Info Box
- Phrasal verb: sharpen something up
- Type: transitive
- Level: B2 (Upper-Intermediate)
- Short meaning: to improve or make something better
Structure (Grammar Rules)
“Sharpen sth up” is a separable phrasal verb. This means you can place the object between the verb and the particle “up.”
- Verb + object + up: sharpen your skills up
- Verb + up + object (less common): sharpen up your skills
Both forms are correct, but the first is more common in everyday speech.
How to Use sharpen sth up?
You use “sharpen sth up” when you want to say that something needs to be improved or made more precise. This can apply to many things like skills, ideas, plans, or even physical items. It often suggests making small but effective changes rather than a complete overhaul.
Examples
People often say “sharpen sth up” when talking about getting better at something. Here are some examples to help you understand how to use it:
- She needs to sharpen her presentation skills before the meeting.
- Let’s sharpen the report up before sending it to the boss.
- He sharpened his focus up to finish the project on time.
- Can you sharpen this knife up? It’s too dull to cut.
- We should sharpen our strategies up to compete better in the market.
These sentences show “sharpen sth up in a sentence” used in different real-life contexts.
Common Mistakes
Sometimes learners confuse the word order or use the wrong object with “sharpen sth up.” Here are some common mistakes:
- Incorrect: Sharpen up your skills.
- Correct: Sharpen your skills up.
- Incorrect: Sharpen up the skills.
- Correct: Sharpen the skills up.
Remember, the object usually comes between “sharpen” and “up.”
Differences / Synonyms
Similar phrasal verbs include “brush up on” and “polish up.” Each has a slightly different meaning:
- Brush up on: to review or refresh knowledge.
- Polish up: to improve something, often skills or appearance.
- Sharpen up: to make something sharper or more precise.
While all three mean improvement, “sharpen up” often implies making something clearer or more effective, not just reviewing or refining.
Common Collocations
We often use “sharpen sth up” with certain objects. Here are some common collocations:
- Skills: improving abilities or talents.
- Focus: increasing concentration.
- Knife/blade: making a tool physically sharper.
- Presentation: improving how information is shared.
- Strategy: refining plans for better results.
Related Phrasal Verbs
Here are related phrasal verbs of sharpen sth up:
Real-life Dialogue
Here is a short conversation showing how “sharpen sth up” is used naturally:
Anna: Your report looks good, but it could be clearer.
Ben: Thanks! I’ll sharpen it up before the meeting.
Anna: Great idea! That will help us explain things better.
Practice
Try filling in the blank with the correct form of “sharpen sth up”:
Before the job interview, I need to __________ my communication skills __________.
- a) sharpen up
- b) sharpen my skills up
- c) sharpen skills up
Answer: b) sharpen my skills up
FAQ
- What does “sharpen sth up” mean? It means to improve or make something better or more effective.
- Is “sharpen sth up” separable? Yes, the object usually comes between “sharpen” and “up.”
- Can I say “sharpen up your skills”? It’s less common; “sharpen your skills up” is preferred.
- What’s the difference between “sharpen up” and “brush up on”? “Sharpen up” means improving precision; “brush up on” means reviewing knowledge.
- Can “sharpen sth up” be used for physical objects? Yes, like sharpening a knife or blade.

