lock
To secure something so that it cannot be opened without a key or code.
Explanation at your level:
You use the word lock when you want to keep something safe. If you have a door, you turn the key to lock it. This means nobody can come inside. You can also lock a box or a bike. It is a very important word for safety!
When you lock something, you make sure it stays closed. For example, you lock your front door when you leave your house. You can also lock your computer screen so other people cannot see your files. It is a simple action that helps keep your things protected.
The verb lock is used to describe securing an object so it cannot be opened. We often use it with prepositions, such as 'locking up' a shop at the end of the day. It is also used figuratively, like 'locking in' a deal, which means making an agreement final and fixed.
Beyond the physical act of using a key, lock is frequently used in business and technical contexts. You might 'lock down' a system to prevent cyber threats or 'lock in' a mortgage rate to avoid future increases. The word implies a sense of permanence and protection against change.
In advanced English, lock takes on nuanced meanings related to commitment and restriction. We talk about being 'locked into' a contract, implying a lack of flexibility. It can also describe physical states, such as 'locking' a joint or a mechanism in place, emphasizing the transition from movement to a static, fixed state.
At the mastery level, lock serves as a metaphor for psychological and structural entrapment. We see it in literature to describe characters 'locked' in patterns of behavior or 'locked' in a stalemate. The etymological connection to containment allows for rich, descriptive usage that bridges the gap between physical security and abstract limitation.
30초 단어
- Lock means to secure with a key.
- It is a regular verb.
- It has many figurative uses.
- Common phrasal verbs include lock up, lock in, and lock out.
When you lock something, you are essentially making it secure. Think of it as putting a barrier between your belongings and the rest of the world. Whether it is a physical door, a bicycle, or even a digital screen, the action is meant to keep things safe.
Beyond physical objects, the word can describe a state of being immovable. For example, if your car's brakes lock up, they stop moving entirely. It is a very versatile word that pops up in both our daily chores and our technical conversations.
In a social sense, we often talk about being locked in, which means being fully committed or focused on a task. It is a word that implies control, safety, and finality. Once you have locked a door, you know exactly where you stand!
The word lock has deep roots in Germanic history. It comes from the Old English word loc, which meant a bolt, bar, or enclosure. It is closely related to the Old Norse lok, meaning a lid or fastening.
Historically, the concept of a lock evolved from simple wooden bars used in ancient civilizations to the complex metal mechanisms we see today. The linguistic evolution tracks with our human need for security. We have always needed a way to define 'mine' versus 'yours' through physical barriers.
Interestingly, the word is also related to the concept of a 'loch' or 'lake' in some Celtic languages, referring to a body of water that is enclosed by land. This shared etymological history highlights the idea of containment—whether it is a secret kept behind a door or water held within a basin.
Using lock is straightforward, but it depends heavily on context. You lock a door, you lock a bike, or you lock your phone. These are standard, everyday uses that everyone understands.
When you move into more formal or figurative territory, you might hear phrases like locking horns, which means to have a disagreement. You might also hear about locking in a price, which is common in business when you want to guarantee a rate before it changes.
The register of the word is generally neutral. It is perfectly acceptable in both a casual text to a friend ('Did you lock the house?') and in a professional email ('We need to lock down the project timeline'). It is a reliable, high-frequency verb that rarely sounds out of place.
Lock, stock, and barrel: This means including everything or the entirety of something. Example: 'They sold the business, lock, stock, and barrel.'
Lock horns: To argue or disagree strongly. Example: 'The two managers often lock horns during meetings.'
Under lock and key: Kept very safely or hidden away. Example: 'The secret documents are kept under lock and key.'
Lock out: To prevent someone from entering a place. Example: 'I forgot my keys and got locked out of my apartment.'
Lock away: To put something in a safe place for a long time. Example: 'She locked her memories away in a diary.'
As a verb, lock is regular. Its past tense and past participle form is locked, and its present participle is locking. It is a transitive verb, meaning it usually takes a direct object (e.g., 'Lock the door').
The pronunciation is straightforward. In British English, it is /lɒk/, and in American English, it is /lɑːk/. The 'o' sound is the main difference, with the American version being slightly more open.
It rhymes with words like dock, rock, sock, clock, and block. Stress is always on the single syllable, making it a very punchy, definitive word to say. Just make sure to hit that final 'k' sound clearly to distinguish it from words like 'log'!
Fun Fact
Related to the word 'loch' (lake) through the idea of enclosure.
Pronunciation Guide
Short 'o' sound like in 'hot'.
Open 'ah' sound like in 'father'.
Common Errors
- Pronouncing the 'l' too softly
- Confusing with 'log'
- Adding an extra syllable
Rhymes With
Difficulty Rating
easy
moderate
easy
easy
What to Learn Next
Prerequisites
Learn Next
고급
Grammar to Know
Transitive Verbs
He locked the door.
Phrasal Verbs
Lock up, lock out.
Passive Voice
The door was locked.
Examples by Level
Please lock the door.
Turn the key to close.
Imperative verb.
I lock my bike.
Use a chain to secure.
Simple present.
Did you lock it?
Did you close it?
Past tense question.
Lock the box.
Secure the lid.
Verb + noun.
It is locked.
It is secure.
Passive participle.
Don't lock me out.
Let me enter.
Negative imperative.
I cannot lock this.
It is broken.
Modal verb.
Lock the gate.
Secure the entrance.
Verb + object.
I always lock my car.
She forgot to lock the window.
Can you lock the gate, please?
The shop is locked at night.
He locked his diary.
They locked the gate behind them.
Is the office locked?
Please lock the drawer.
We need to lock down the schedule.
He locked his keys inside the car.
The software locks automatically.
She felt locked into the job.
They locked horns over the budget.
The files are locked for editing.
Lock the screen before you leave.
The secret is locked away.
The company locked in a low interest rate.
We are locked in a fierce competition.
The system locks users after three attempts.
He remained locked in deep thought.
They have locked down the perimeter.
The agreement is now locked in.
She was locked in a bitter struggle.
The gears locked together perfectly.
The candidate is locked into a specific policy.
The mechanism locks the components in place.
We are locked in a stalemate regarding the contract.
The data is locked to prevent unauthorized access.
He was locked in a cycle of poverty.
The two parties were locked in negotiations for weeks.
The device locks the user out after a failure.
They are locked in a battle for supremacy.
The nation was locked in a state of mourning.
The narrative is locked in a recursive structure.
The artist was locked into a contract for ten years.
The gears locked with a satisfying click.
Their fates were locked together by history.
The memory was locked away in his subconscious.
The debate was locked in circular logic.
The process is locked to ensure total security.
자주 쓰는 조합
Idioms & Expressions
"Lock, stock, and barrel"
Everything
He moved his office, lock, stock, and barrel.
casual"Lock horns"
To argue
They locked horns over the new policy.
neutral"Under lock and key"
Safely hidden
The gems are under lock and key.
neutral"Lock out"
Prevent entry
I was locked out of my account.
neutral"Lock away"
Hide or store safely
She locked away her fears.
neutral"Lock in"
Secure a commitment
We need to lock in the dates.
businessEasily Confused
Similar sound
Log is wood or a record; lock is a fastener.
I wrote in my log vs I locked the door.
Similar function
Latch is simpler.
Latch the gate vs lock the door.
Similar function
Bolt is a specific type of lock.
Bolt the door.
Similar sound
Block is to stop movement.
Block the path vs lock the door.
Sentence Patterns
Subject + lock + object
I lock the door.
Subject + lock + object + away
She locked her jewelry away.
Subject + be + locked + in
They are locked in a debate.
Subject + lock + out + object
The system locked out the user.
Subject + lock + down + object
We locked down the server.
어휘 가족
Nouns
Verbs
Adjectives
관련
How to Use It
8/10
Formality Scale
자주 하는 실수
You lock the object, not the tool used to lock it.
Use the past participle for the state.
Up is redundant unless referring to the whole building.
Lock is a transitive verb; no preposition needed.
Locking implies closing; 'closed' is redundant.
Tips
Memory Palace
Imagine a key in your pocket every time you hear the word.
Native Speaker Tip
Use 'lock up' for houses/shops.
Cultural Insight
Locks are symbols of trust and safety.
Grammar Shortcut
Always add -ed for the past.
Say It Right
End with a sharp 'k' sound.
Don't Make This Mistake
Don't say 'lock the key'.
Did You Know?
Locks are thousands of years old.
Study Smart
Learn the phrasal verbs together.
Memorize It
Mnemonic
L-O-C-K: Leave Only Closed Keys.
Visual Association
A giant heavy padlock on a treasure chest.
Word Web
챌린지
Try to identify every lock you see today.
어원
Old English
Original meaning: Bolt or bar
문화적 맥락
None
Used in everyday life for safety; metaphorically used in business.
Practice in Real Life
Real-World Contexts
At home
- Lock the door
- Lock the window
- Lock up at night
In business
- Lock in a price
- Lock down a deal
- Locked into a contract
Technology
- Lock the screen
- Lock the file
- Locked out of account
Travel
- Lock your suitcase
- Lock the hotel room
- Locked out of the room
Conversation Starters
"Do you always remember to lock your door?"
"Have you ever been locked out of your house?"
"What is the most important thing to keep under lock and key?"
"Do you feel 'locked into' your current job or studies?"
"How do you feel about digital locks versus physical keys?"
Journal Prompts
Write about a time you were locked out.
Describe a secret you keep 'under lock and key'.
How does it feel to be 'locked into' a long-term commitment?
Imagine a world without locks—what would change?
자주 묻는 질문
8 질문It is both!
Use 'locked'.
A lock usually requires a key; a latch is a simple mechanical fastener.
Yes, it means to secure a whole building.
It can be, depending on the situation.
It means committed or fixed.
Yes, it prevents editing.
No, it is regular.
셀프 테스트
Please ___ the door.
Lock is the verb for securing a door.
What does it mean to lock something?
Locking secures an object.
You can lock a conversation.
We usually say 'lock in' a deal, not lock a conversation.
Word
뜻
Matches phrasal verbs to meanings.
Standard Subject-Verb-Object order.
점수: /5
Summary
To lock is to secure, protect, and fix in place.
- Lock means to secure with a key.
- It is a regular verb.
- It has many figurative uses.
- Common phrasal verbs include lock up, lock in, and lock out.
Memory Palace
Imagine a key in your pocket every time you hear the word.
Native Speaker Tip
Use 'lock up' for houses/shops.
Cultural Insight
Locks are symbols of trust and safety.
Grammar Shortcut
Always add -ed for the past.