What Does “Fasten on sb” Mean?
“Fasten on sb” means to focus attention or blame on someone, often in a way that is persistent or unfair.
Introduction
The phrasal verb “fasten on sb” is commonly used in English to describe the act of attaching blame, suspicion, or attention to a particular person. It often suggests that someone is being singled out, sometimes unfairly, for criticism or scrutiny. Understanding the fasten on sb meaning helps learners recognize when someone is being held responsible or targeted. This phrase is useful in both everyday conversations and formal contexts where blame or focus is discussed.
Quick Info Box
- Phrasal verb: fasten on somebody
- Type: transitive
- Level: B2
- Short meaning: to fix attention or blame on someone
Structure (Grammar Rules)
“Fasten on sb” is an inseparable phrasal verb, which means the particle “on” always stays next to the verb and cannot be moved. The pattern is:
- fasten on + somebody
Example: They fastened on him as the main suspect.
How to Use “Fasten on sb”?
You use “fasten on sb” when you want to say someone is being blamed or focused on, often in a way that might be unfair or overly persistent. This phrase often appears in contexts involving suspicion, responsibility, or attention.
It is commonly used in news reports, conversations about investigations, or when discussing how people react in difficult situations.
Examples
When the company lost money, the media quickly fastened on the CEO as the main cause. Here are more examples of fasten on sb in a sentence:
- The police fastened on the young man because he was near the scene.
- Critics fastened on the actor’s mistake during the live show.
- People tend to fasten on the leader when things go wrong.
- She felt the blame was unfairly fastened on her by the team.
Common Mistakes
It’s common for learners to separate the phrasal verb incorrectly or use the wrong preposition. For example:
- Incorrect: They fastened him on the blame.
Correct: They fastened the blame on him. - Incorrect: She fastened the blame to him.
Correct: She fastened the blame on him.
Remember, “fasten on” always stays together, and the person blamed comes after “on.”
Differences / Synonyms
Similar phrasal verbs include “pin on sb” and “lay on sb.” While all can mean blaming someone, their tone and usage differ slightly.
- Pin on sb – Often informal, meaning to blame someone (e.g., “They pinned the mistake on her”).
- Lay on sb – Can mean to place responsibility or blame, but also to apply pressure (e.g., “The blame was laid on him”).
“Fasten on sb” often implies a stronger or more persistent focus than these synonyms.
Common Collocations
Here are some common words used with “fasten on sb”:
- Blame – To accuse someone of responsibility for a fault or wrong.
- Suspicion – To direct suspicion toward someone.
- Attention – To fix attention on a person or issue.
- Responsibility – To hold someone accountable.
Related Phrasal Verbs
Here are related phrasal verbs of fasten on sb:
Real-life Dialogue
Here is a short conversation using “fasten on sb”:
Anna: The project failed, and everyone is upset.
Ben: Yeah, but it seems they are fastened on Sarah as the one to blame.
Anna: I don’t think that’s fair. It was a team effort.
Practice
Try to complete this sentence with the correct form of the phrase:
“After the accident, the police quickly ________ the driver ________ as responsible.”
- a) fastened / on
- b) fastened / to
- c) fastened / with
- d) fastened / at
FAQs
- What does “fasten on sb” mean? It means to focus blame or attention on someone.
- Is “fasten on sb” separable? No, the verb and preposition must stay together.
- Can “fasten on sb” be used in formal writing? Yes, it is often used in reports or news articles.
- What is a synonym for “fasten on sb”? “Pin on sb” is a common synonym.
- Can “fasten on sb” be used with things other than blame? Yes, it can also mean to focus attention or suspicion.

