What Does “Do sb in” Mean?
“Do sb in” is an informal phrasal verb that means to kill, seriously hurt, or exhaust someone. It is often used in casual conversation or storytelling.
Introduction
The phrasal verb “do sb in” is commonly used in English to describe causing harm or exhaustion to someone. The phrase “do sb in meaning” typically refers to either physically injuring or mentally tiring a person. For example, after a long day of work, you might say, “That meeting really did me in,” meaning it made you very tired. This expression can also be used in more serious contexts to imply causing someone’s death or serious harm, often in crime stories or movies. Understanding how to use “do sb in” correctly will help you sound more natural and expressive in English conversations.
Quick Info Box
- Phrasal verb: do somebody in
- Type: transitive
- Level: B2
- Short meaning: to kill, hurt, or exhaust someone
Structure (Grammar Rules)
“Do sb in” is a transitive and inseparable phrasal verb. This means the object (sb = somebody) always comes after the verb and cannot be placed between “do” and “in”.
- Correct: They did him in last night.
- Incorrect: They did in him last night.
The structure is always: do + somebody + in.
How to Use “Do sb in”?
You can use “do sb in” in both serious and informal contexts. It can mean to physically kill someone or to make someone very tired or stressed. The meaning depends on the situation and tone.
Example contexts:
- Crime stories: “The villain did the hero in.”
- Everyday life: “This workout really did me in.”
Examples
Here are some natural sentences using “do sb in”:
- After running the marathon, I was completely done in.
- The criminals planned to do the detective in.
- That long day at work really did me in.
- He said the bad news did him in emotionally.
- In the movie, the assassin did the target in quickly.
These examples show how “do sb in” can be used to talk about exhaustion, emotional impact, or even death.
Common Mistakes
People often confuse the word order or meaning when using “do sb in”.
- Incorrect: He did in her the night before.
- Correct: He did her in the night before.
Also, avoid using “do sb in” in very formal writing because it sounds informal or slang.
Differences / Synonyms
“Do sb in” is similar to phrases like “knock sb out”, “wear sb out”, or “finish sb off”, but each has different uses.
- Knock sb out: Usually means to make someone unconscious.
- Wear sb out: Means to make someone very tired.
- Finish sb off: Can mean to kill or completely exhaust someone.
“Do sb in” often implies a stronger or more permanent effect than “wear sb out”.
Common Collocations
People often use “do sb in” with these objects:
- Do me in – to exhaust or tire me
- Do him in – to kill or seriously hurt him
- Do her in – to kill or exhaust her
- Do somebody in emotionally – to cause emotional pain
Related Phrasal Verbs
Here are related phrasal verbs of do sb in:
Real-life Dialogue
Here’s a short conversation using “do sb in”:
Anna: Wow, you look tired. Are you okay?
Ben: Yeah, this project really did me in.
Anna: I know how that feels. I was done in after the conference.
Ben: We need a break soon!
Practice
Fill in the blank with the correct form of “do sb in”:
- That stressful exam really ______ me ______.
- The villain planned to ______ the hero ______ in the story.
FAQs
- What does “do sb in” mean? It means to kill, hurt, or exhaust someone.
- Is “do sb in” formal? No, it is informal and often used in casual speech.
- Can “do sb in” mean emotional harm? Yes, it can mean causing emotional or mental exhaustion.
- Can I use “do sb in” in writing? It’s best for informal or creative writing, not formal documents.
- Is “do sb in” separable? No, the object always comes between “do” and “in”.
