off
gb/ˈɔf/ us/ˈɔf/
A1
Anh
~ 500
Các nghĩa
0 nghĩa
adverb
A1
state
1
Not working or operating
Not working because it is not turned on.
Mẫu sử dụng:
[device] is off
Lỗi thường gặp:
Learners sometimes confuse 'off' with 'out' when talking about lights or devices, but 'off' refers to the power state.
Từ đồng nghĩa
inactive (More formal and general; can apply to people, systems, or devices.)
Từ trái nghĩa
on (Indicates that a device or system is operating or active.)
Cụm từ đi kèm
turned off
|switch off
|completely off
|power off
Chủ đề
daily life
|technology
|daily_life
Ví dụ
- The lights are off because no one is home.
- Please make sure your phone is off during the movie.
- The computer was off all night to save energy.
Ví dụ cho người học
- The TV is off.
- My phone is off.
- The light is off.
preposition
A1
relation
2
Away from a surface or object
Used to show that something moves away from a surface or object.
Mẫu sử dụng:
[someone/something] get off [surface/object]
Lỗi thường gặp:
Learners sometimes confuse 'off' with 'of' in writing; 'off' is about separation or movement away.
Từ đồng nghĩa
down from (Specifies downward movement from an elevated position.)
Từ trái nghĩa
onto (Indicates movement toward and onto a surface.)
Cụm từ đi kèm
fall off
|jump off
|take off
|get off
Chủ đề
daily life
|movement
|space
|core_vocabulary
Ví dụ
- She fell off her bike.
- Please take your feet off the table.
- He jumped off the wall into the pool.
Ví dụ cho người học
- I fell off my chair.
- Take the book off the desk.
- Get off the bus here.
adjective
informal
A2
state
3
Cancelled or not happening
Used when something planned will not happen.
Lỗi thường gặp:
Learners may confuse 'off' meaning cancelled with 'off' meaning turned off; context makes the difference.
Từ đồng nghĩa
cancelled (Neutral and formal; commonly used in official communication.)
Từ trái nghĩa
on (Indicates that an event will proceed as planned.)
Cụm từ đi kèm
meeting is off
|game is off
|plans are off
Chủ đề
daily life
|daily_life
|time
Ví dụ
- The wedding is off due to family disagreements.
- Our meeting is off because the manager is sick.
- The trip is off until further notice.
Ví dụ cho người học
- The party is off.
- The game is off today.
- Our lunch is off.
adverb
informal
B1
property
4
Incorrect or inaccurate
Wrong or not exact.
Từ đồng nghĩa
wrong (More direct and general; 'off' is often softer or casual.)
Từ trái nghĩa
accurate (Correct and precise in detail.)
Cụm từ đi kèm
way off
|a bit off
|miles off
Chủ đề
communication
|core_vocabulary
Ví dụ
- Your guess was way off.
- That measurement seems a bit off.
- You're slightly off in your calculations.
Ví dụ cho người học
- My guess was off.
- That answer is off.
- Your number is off.
adjective
informal
A2
property
5
Spoiled or bad (food)
Not good to eat because it is old or bad.
Từ đồng nghĩa
spoiled (Neutral term for food that has gone bad.)
Từ trái nghĩa
fresh (Recently made or picked; still good to eat.)
Cụm từ đi kèm
milk is off
|smells off
|gone off
Chủ đề
food
|food_drink
|health
Ví dụ
- The milk smells off; don't drink it.
- This meat tastes a bit off.
- The fish has gone off in the heat.
Ví dụ cho người học
- The milk is off.
- The meat is off.
- This food is off.
Ngữ pháp
Cách diễn đạt
day off
1/dˈeɪ ˈɔf/
fixed phrase
Day without work/study duties
A day when you do not go to work or school.
Ví dụ
- I'm taking a day off tomorrow to rest.
- She has Fridays off this month.
go off
1/ɡˈoʊ ˈɔf/
phrasal verb
Make noise/explode suddenly
To make a loud noise suddenly, like an alarm, gun, or bomb.
Ví dụ
- The alarm went off at 6 a.m.
- The bomb went off in the distance.
put off
1/pˈʊt ˈɔf/
phrasal verb
Delay doing something
To do something at a later time instead of now.
Ví dụ
- We had to put off the meeting until next week.
- Don't put off your homework until the last minute.
- Don't put it off any longer; do it now.
take off
4/tˈeɪk ˈɔf/
phrasal verb
Begin flight / become successful quickly
For planes: to start flying. For people/things: to become popular or successful very fast.
Ví dụ
- The plane will take off in ten minutes.
- Her career really took off after that movie.
- We watched the helicopter take off from the field.
turn off
1/tˈɚn ˈɔf/
phrasal verb
Switch off a device or system
To stop a machine, light, or device from working.
Ví dụ
- Please turn off the lights when you leave.
- Turn off the oven before leaving.
- He turned off the engine before getting out.
- She turned off her phone during the meeting.