What Does “Knock sb off” Mean?
“Knock sb off” is a phrasal verb that can mean to kill or remove someone, or to steal something, depending on the context.
Introduction
The phrase “knock sb off” has several meanings in English. Usually, it means to kill or seriously harm someone. It can also mean to steal or copy something illegally or to finish a task quickly. Understanding the knock sb off meaning is important because it appears in movies, conversations, and informal speech. Knowing how to use it correctly helps you sound more natural and understand native speakers better.
Quick Info Box
- Phrasal verb: knock somebody off
- Type: transitive
- Level: B2
- Short meaning: to kill, steal, or quickly complete something
Structure (Grammar Rules)
“Knock sb off” is separable because “sb” (somebody) is the object. You can say:
- knock somebody off
- knock off somebody
Examples:
- They tried to knock him off last night.
- Someone knocked off the painting from the wall.
How to Use “Knock sb off”?
The phrase is mostly used in informal or slang contexts. When it means “to kill,” it is often in crime or action stories. When it means “to steal,” it refers to taking something illegally. It can also mean to finish work quickly or to copy something illegally, like a fake product.
Examples
Here are some examples to understand knock sb off in a sentence:
- The mafia tried to knock him off because he knew too much.
- Someone knocked off my wallet while I was on the bus.
- I need to knock off this report before the meeting.
- The company was accused of knocking off a famous brand’s design.
- They knocked off the guard and escaped through the back door.
Common Mistakes
People often confuse “knock sb off” with other phrasal verbs or use it in formal writing. For example:
- Incorrect: I will knock off the meeting tomorrow. (wrong meaning)
- Correct: I will finish the meeting tomorrow. (use “knock off” meaning finish work)
- Incorrect: He knocked off the book. (unclear meaning)
- Correct: He knocked off the thief. (meaning killed or removed)
Differences / Synonyms
Several phrasal verbs are similar to “knock sb off,” but with different meanings:
- Knock down: to hit and cause someone or something to fall.
- Knock out: to make someone lose consciousness.
- Take out: to remove or kill someone, similar to “knock sb off.”
- Rip off: to cheat or steal, related to “knock off” meaning steal.
Compared to “knock sb off,” these phrasal verbs have more specific uses, while “knock sb off” is more informal and can mean kill, steal, or finish quickly.
Common Collocations
Here are common objects and words used with “knock sb off”:
- Knock off a guard/somebody: to kill or remove a person.
- Knock off a product/design: to copy or steal.
- Knock off a task: to finish something quickly.
- Knock off money/wallet: to steal.
Related Phrasal Verbs
Here are related phrasal verbs of knock sb off:
Real-life Dialogue
Here’s a short conversation that shows how to use “knock sb off”:
Mike: Did you hear about the robbery last night?
Anna: Yeah, they knocked off the security guard to get in.
Mike: That’s scary! I hope they catch the criminals soon.
Practice
Test your understanding with this exercise. Choose the correct sentence:
- A) They tried to knock off the painting from the wall.
- B) They tried to knock off the meeting from the wall.
- C) They tried to knock off the report from the wall.
Answer: A
FAQs
- What does “knock sb off” mean? It means to kill someone, steal something, or finish a task quickly.
- Is “knock sb off” formal? No, it is informal and often used in slang or casual speech.
- Can “knock off” mean to copy something? Yes, it can mean to copy or imitate something illegally.
- Is “knock sb off” the same as “knock down”? No, “knock down” means to make someone or something fall, while “knock sb off” often means to kill or steal.
- Can I use “knock sb off” in writing? It’s better to use it in informal writing or dialogue, not in formal texts.
