- Do you ever feel unsure whether to say “lock the car” or “close the car with a key”?
- Have you struggled to express situations like “securing a deal” or “staring intently” using the word “lock”?
- Are you keen to move beyond basic vocabulary and start using “lock” with confidence and native-like fluency?
Mastering English collocations is a game-changer for fluency. Instead of translating word-for-word, learning collocations allows you to speak and write more naturally, like a native speaker. This guide will help you understand the most common and useful collocations with the versatile word “lock,” boosting your confidence and reducing language anxiety.
Common Collocations with LOCK as a Verb
As a verb, ‘lock’ primarily means to secure something with a device that prevents unauthorized opening, or to fix something firmly in place. It also has many figurative uses.
To Secure or Fasten
These collocations refer to the act of closing something securely, often with a key.
- lock the door/gate/window: To secure an entrance or opening.
Example: “Don’t forget to lock the front door when you leave.”
- lock the car/bike: To secure a vehicle to prevent theft.
Example: “Always remember to lock your car, even if you’re just popping into the shop.”
- lock up: To secure a building or premises by locking all doors and windows, often at the end of the day. Also, to imprison someone.
Example (premises): “The last person to leave needs to lock up the office.”
Example (person): “The police managed to lock up the suspect after a lengthy investigation.”
- lock away: To put something in a secure place and lock it, often for safety or secrecy.
Example: “She decided to lock away her valuable jewelry in a safe.”
To Fix Firmly or Become Fixed
These phrases describe items or people becoming interlocked or set in a specific position.
- lock eyes: To make direct eye contact with someone for an extended period.
Example: “They immediately locked eyes across the crowded room.”
- lock horns (with someone): To argue or dispute with someone fiercely.
Example: “The two politicians often lock horns during debates.”
- lock arms: To link arms with someone, often for support or companionship.
Example: “The couple walked down the street, happily locking arms.”
- lock into place: To fit or secure something perfectly so it cannot move.
Example: “You’ll hear a click when the pieces lock into place.”
To Restrict or Confine
These collocations describe the act of preventing movement or access.
- lock someone in/out: To prevent someone from leaving a place, or from entering a place, by locking a door.
Example: “He accidentally locked himself out of the house.”
Example: “Don’t lock the children in the room; they need to play.”
- lock down: To restrict access to a building or area, usually during an emergency, or to make something secure.
Example: “The school went into lockdown after a suspicious package was found.”
Example: “The company plans to lock down its security protocols.”
Figurative and Business Uses
These are more abstract uses of ‘lock’, often relating to securing agreements or states.
- lock in a price/rate/deal: To secure an agreement at a specific price, rate, or set of terms that cannot be changed later.
Example: “We were able to lock in a great interest rate on our mortgage.”
- lock in a profit: To take action to ensure a profit from an investment, preventing potential future losses.
Example: “Savvy investors know when to sell and lock in their profits.”
Essential Collocations using LOCK as a Noun
As a noun, ‘lock’ refers to the device itself or an instance of being locked. It also appears in several idiomatic expressions.
Types of Locks and Actions
These collocations describe different kinds of locking mechanisms and what you do with them.
- a dead lock (US: deadbolt): A type of lock that is not spring-activated and requires a key to open.
Example: “For extra security, we installed a strong dead lock on the front door.”
- a combination lock: A lock opened by a specific sequence of numbers or letters, not a key.
Example: “I forgot the code for my combination lock on my suitcase.”
- a pad lock: A portable lock with a shackle that passes through an opening.
Example: “She secured her bike with a heavy-duty pad lock.”
- turn the key in the lock: To operate a lock with a key.
Example: “I heard him turn the key in the lock, so I knew he was home.”
- change the lock(s): To replace a lock (or locks) with new ones, often after losing keys or for improved security.
Example: “After the break-in, they decided to change all the locks.”
- pick a lock: To open a lock without a key, often illicitly.
Example: “He confessed he learned how to pick locks from an old movie.”
Idiomatic and Figurative Noun Uses
These phrases use ‘lock’ in a more abstract or metaphorical sense.
- under lock and key: Kept securely in a locked place; well-guarded.
Example: “The valuable documents were kept under lock and key in the safe.”
- a lock of hair: A small bunch or strand of hair. (Note: this is a specific, distinct meaning of ‘lock’ that is not directly related to security but is a very common collocation.)
Example: “She kept a delicate lock of hair from her baby’s first haircut.”
- a safety lock: A mechanism designed to prevent accidental operation, especially on machinery or firearms.
Example: “Always engage the safety lock before putting the tool away.”
Master Summary Table: Essential Lock Collocations
| Collocation | Part of Speech | Quick Meaning |
|---|---|---|
| lock the door/car | Verb Phrase | To secure an entrance/vehicle with a key. |
| lock up (premises) | Phrasal Verb | To secure a building at closing. |
| lock up (person) | Phrasal Verb | To imprison someone. |
| lock eyes | Verb Phrase | To make direct eye contact. |
| lock horns | Verb Phrase | To argue or dispute fiercely. |
| lock into place | Phrasal Verb | To fit or secure firmly. |
| lock in a price | Phrasal Verb | To secure a fixed price/rate. |
| lock out/in (someone) | Phrasal Verb | To prevent entry/exit. |
| under lock and key | Idiom (Noun) | Kept very securely. |
| change the lock | Verb Phrase (Noun) | To replace a locking mechanism. |
| combination lock | Compound Noun | A keyless lock using a number sequence. |
| a lock of hair | Noun Phrase | A small strand of hair. |
Common Mistakes: Natural vs Unnatural
Avoid common pitfalls by focusing on these natural collocations with ‘lock’.
| Do Not Say | Say This |
|---|---|
| Close the door with a key. | Lock the door. |
| Secure a good price. | Lock in a good price. |
| Put the valuables inside the locked space. | Keep the valuables under lock and key. |
| Their eyes met and didn’t move. | They locked eyes. |
| Change the security device. | Change the lock. |
| A piece of hair. | A lock of hair. |
The detective arrived at the scene, noting that the back door was still open. “It looks like the intruder didn’t even bother to lock up when they left,” he muttered. “Make sure to lock the car when you leave, Officer Jones, and let’s get forensics in here.” He glanced at his partner. “We need to lock down this area until we gather all evidence.” Later, at the station, the two legal teams began to lock horns over the suspect’s alibi. The lead prosecutor, determined to lock in a conviction, kept a tight grip on the case, ensuring all sensitive information remained under lock and key.
Frequently Asked Questions about Lock Collocations
What’s the difference between “lock up” and “lock in”?
“Lock up” typically means to secure a building or premises (e.g., “The manager locked up the store”) or to imprison someone (e.g., “They locked up the criminal”). “Lock in” often refers to securing a deal, price, or position (e.g., “We need to lock in that interest rate before it changes”) or confining someone in a space (e.g., “Don’t lock the cat in the cupboard”).
Can “lock” be used informally to mean something is certain or guaranteed?
Yes, especially in American English, you might hear phrases like “It’s a lock” to mean something is a sure thing or guaranteed to happen. For example, “With that performance, the championship is a lock.” This usage often implies certainty or inevitability.
Is “lock of hair” a common collocation, and does it relate to security?
Yes, “a lock of hair” is a very common and natural collocation. However, this specific meaning of “lock” (a small bunch or strand of hair) is etymologically distinct from the “lock” that refers to a security device, although they share the same spelling. It does not relate to security in any way.
When should I use “lock out” versus “lock in” for people?
You “lock someone out” when you prevent them from entering a place (e.g., “I forgot my keys and locked myself out of my apartment”). You “lock someone in” when you prevent them from leaving a place (e.g., “The storm forced them to lock themselves in for the night”).
Are “lockdown” and “lock down” the same?
Not exactly. “Lockdown” (one word, noun) refers to the state or period of strict isolation or security measures (e.g., “The city went into lockdown“). “Lock down” (two words, phrasal verb) means to implement those measures or to make something secure (e.g., “The authorities decided to lock down the borders”).
I'm looking forward to the part about 'staring intently' with 'lock'. That sounds like a fascinating usage.
Indeed, Patrick! The phrase 'to lock eyes with someone' is a wonderful example of 'lock' in a figurative sense, meaning to fix your gaze firmly onto another person's eyes, often implying intensity or recognition. It's these expressions that add richness to your vocabulary. Enjoy discovering more in the full article!
I often mix up 'lock' and 'bolt'. Can you briefly explain the difference, or is that covered in the full article?
That's a great question, Wei, and yes, it's a common point of confusion! While related, 'bolt' as a verb specifically refers to securing something with a metal bar or pin (a 'bolt'). 'Lock' is a broader term, meaning to secure something with a device that often requires a key or combination. You can 'lock a door' with a key, and that door might also have a 'bolt' for extra security. So, 'bolt' is a *method* of securing, often contributing to the overall act of 'locking.' The full article does touch upon these nuances indirectly by focusing on the common uses of 'lock.' Thanks for asking!
The examples provided are very clear. It helps to see how 'lock' can be used with different objects like 'car' or 'bike'.
We're glad you find the examples clear, Gaby! Providing diverse and practical examples is essential for understanding how collocations work in real-world contexts. Keep observing how native speakers use these phrases!
This article is a lifesaver! I always hesitated before using 'lock' and ended up using longer, less natural phrases. Now I feel more confident.
Fantastic, Isabella! That's exactly what we aim for. Using the concise and natural collocation 'lock' instead of roundabout explanations makes your English sound much more fluent and confident. We're happy to help you overcome that hesitation!
Are there any specific differences in 'lock the gate' versus 'lock the front door' in terms of nuance or context? Or are they essentially the same use of 'lock'?
That's a good question, David! In these specific examples, 'lock the gate' and 'lock the front door' both use 'lock' with its primary meaning of securing an entrance to prevent unauthorized opening. The nuance comes from the object being locked (a gate vs. a door), but the function of 'lock' remains the same. The context simply changes the specific entrance you're securing. Keep up the excellent analytical thinking!
I appreciate how this article targets language anxiety. Knowing I'm using the right phrases builds so much confidence. Looking forward to reading about all the common 'lock' collocations!
We're glad to hear that, Chloe! Reducing language anxiety by providing clear, practical guidance is a core mission for Translateen.com. Confidence in communication is key, and understanding collocations is a major step towards achieving it. Happy reading!
What about 'lock horns'? Is that an idiom related to securing something, or is it completely different? Just curious!
That's a great idiom to bring up, Omar! 'To lock horns' is an idiom, and it's completely different from securing something. It means to argue fiercely with someone, much like two animals (e.g., stags) fighting by pushing their horns together. It falls under the figurative uses of 'lock,' highlighting how words can take on very different meanings in idiomatic expressions. Excellent question!
This is really helpful! I always just said 'close the door with a key,' but 'lock the door' sounds so much more natural. It's these small things that make a big difference.
You've hit on a crucial point, Sofia! It's often the seemingly 'small' word choices, the collocations, that truly elevate your English from correct to native-like. We're glad we could help with this common point of confusion!
So, is 'lock up' the same as 'lock away'? For example, 'lock up the valuables' versus 'lock away the valuables.' Is there a subtle difference?
That's an excellent question, Kenji, demonstrating a keen eye for nuance! While often used interchangeably for securing items, 'lock up' can sometimes imply a more general securing of a premises ('lock up the shop for the night'), or even imprisonment. 'Lock away' more strongly suggests putting something into a secure, often hidden, place like a safe. Both are correct for valuables, but 'lock away' emphasizes the storage aspect more. Great thinking!
I never thought much about 'lock' beyond 'lock the door.' It's amazing how many different contexts it can be used in. Now I'm curious about other verbs with similar versatility!
That's a fantastic observation, Elena! Many common verbs in English have a surprisingly rich range of collocations and figurative meanings. It's a great area to explore for expanding your vocabulary and fluency. Stay tuned to Translateen.com for more such insights!