part of body
the part of the human body that is on the opposite side to the chest, between the neck and the tops of the legs; the part of an animal's body that corresponds to this
Do you sleep on your back or your front?
He stood with his back to the door.
They had their hands tied behind their backs.
a back massage
A small boy rode on the elephant's back.
the row of bones in the middle of the back
She broke her back in a riding accident.
He put his back out (= dislocated sth in his back) lifting the crates.
part furthest from front
the part or area of sth that is furthest from the front
We could only get seats at the back (= of the room) .
I found some old photos at the back of the drawer.
He was shot in the back of the knee.
The house has three bedrooms at the front and two at the back .
There's room for three people in the back .
There's room for three people in back .
If you'd like to come round the back (= to the area behind the house) , I'll show you the garden.
of piece of paper
the part of a piece of paper, etc. that is on the opposite side to the one that has information or the most important information on it
Write your name on the back of the cheque.
the last few pages of a book, etc.
The television guide is at the back of the paper.
the part of a chair, etc. against which you lean your back
used to describe furniture which has the type of back mentioned
a high-backed sofa
a player whose main role is to defend their team's goal
if a thought, etc. is at the back of your mind , you are aware of it but it is not what you are mainly thinking about
a place that is a long way from other houses, towns, etc.
if two people stand back to back , they stand with their backs facing or touching each other
if two or more things happen back to back , they happen one after the other
if you put on a piece of clothing back to front , you make a mistake and put the back where the front should be
I think you've got that sweater on back to front.
to be happy that you will not have to deal with or see sb/sth again because you do not like them or it
Was I pleased to see the back of her!
without sb's knowledge or permission
Have you been talking about me behind my back?
They went ahead and sold it behind my back.
to keep asking or telling sb to do sth that they do not want to do, in a way that they find annoying
to finish the largest or most important part of a task
to annoy sb
That sort of attitude really gets my back up!
to stop annoying sb, for example by criticizing them, or asking them to do sth
Just get off my back, will you!
to be in a difficult situation in which you are forced to do sth but are unable to make the choices that you would like
goods that fell off the back of a lorry were probably stolen. People say or accept that they came off the back of a lorry to avoid saying or asking where they really came from.
as a result of an achievement or a success
The profits growth came on the back of a 26 per cent rise in sales.
in bed because you are ill/sick
She's been flat on her back for over a week now.
The UK market was flat on its back (= business was very bad) .
to use a lot of effort and energy on a particular task
to turn so that you are facing in the opposite direction
to move so that you are standing or sitting with your back facing sb/sth
When on stage, try not to turn your back on the audience.
to reject sb/sth that you have previously been connected with
She turned her back on them when they needed her.
to realize that you may be blamed or criticized for sth later and take action to avoid this
Get everything in writing in order to cover your back.
to be aware of everything that is happening around you, even things that seem difficult or impossible to see
to be very familiar with sth
This is where I grew up. I know this area like the back of my hand.
表扬，称赞（某人 / 自己）
to praise sb or yourself for doing sth well
to try to forget about sth unpleasant
I tried to push the thought to the back of my mind.
to do sth that will cause problems for you in the future
used to say that if sb helps you, you will help them, even if this is unfair to others
anything that sb has, including the things they really need themselves, that sb else takes from them or they are willing to give
an act that harms sb, done by a person they thought was a friend
to do or say sth that harms sb who trusts you
used to say that sth, especially criticism, has no effect on sb/sth
I can't tell my son what to do; it's water off a duck's back with him.
away from front
located behind or at the back of sth
We were sitting in the back row.
a back room (= one at the back of a building)
the back page of a newspaper
of or from a past time
a back number of the magazine
owed for a time in the past
欠薪 / 税 / 租金
of a vowel
produced with the back of the tongue in a higher position than the front, for example /ɑ/ in English
of an idea, a plan, etc.
left for the present time, to be done or considered later
away from front
away from the front or centre; behind you
I stepped back to let them pass.
Sit back and relax.
You've combed your hair back.
He turned and looked back.
She fell back towards the end of the race.
at a distance
at a distance away from sth
The barriers kept the crowd back.
Stand back and give me some room.
under control; prevented from being expressed or coming out
He could no longer hold back his tears.
to or into the place, condition, situation or activity where sb/sth was before
Put the book back on the shelf.
Please give me my ball back.
He'll be back on Monday.
It takes me an hour to walk there and back .
Could you go back to the beginning of the story?
She woke up briefly and then went back to sleep.
We were right back where we started , only this time without any money.
in or into the past; ago
The village has a history going back to the Middle Ages.
She left back in November.
That was a few years back.
at a previous place
at a place previously left or mentioned
We should have turned left five kilometres back.
Back at home, her parents were worried.
I can't wait to get back home.
in return or reply
If he kicks me, I'll kick him back.
Could you call back later, please?
from one place to another and back again repeatedly
ferries sailing back and forth between the islands
in the past
My dad's always talking about how great everything was back in the day.
at a particular time in the past
I was a fan back in the days when the band wasn't yet famous.
the houses back of the church
to move or make sth move backwards
He backed against the wall, terrified.
If you can't drive in forwards, try backing it in.
to give help or support to sb/sth
Her parents backed her in her choice of career.
Doctors have backed plans to raise the tax on cigarettes.
The programme of economic reform is backed (= given financial support) by foreign aid.
a United Nations-backed peace plan
to bet money on a horse in a race, a team in a competition, etc.
I backed the winner and won fifty pounds.
to play or sing music that supports the main singer or instrument
to cover the back of sth in order to support or protect it
to be located behind sth
The house is backed by fields.
to support sb/sth that is not successful
to move away backwards from sb/sth that is frightening or unpleasant; to avoid doing sth that is unpleasant
to take back a demand, an opinion, etc. that other people are strongly opposed to; to admit defeat
She refused to back down on a point of principle.
to move backwards in order to get away from sb/sth frightening or unpleasant
As the riot police approached the crowd backed off.
to stop threatening, criticizing or annoying sb
Back off! There's no need to yell at me.
The press have agreed to back off and leave the couple alone.
to choose not to take action, in order to avoid a difficult situation
The government backed off from a confrontation.
of a building
to have sth directly behind it
Our house backs onto the river.
to decide that you are no longer going to take part in sth that has been agreed
He lost confidence and backed out of the deal at the last minute.
to move backwards, especially in a vehicle
You can back up another two feet or so.
I backed the car up to the door.
to support sb/sth; to say that what sb says, etc. is true
I'll back you up if they don't believe you.
The writer doesn't back up his opinions with examples.
to provide support for sb/sth
two doctors backed up by a team of nurses
The rebels backed up their demands with threats.
to prepare a second copy of a file, program, etc. that can be used if the main one fails or needs extra support
at the back和at the rear同义，但at the rear多用于正式或官方语言：
At the back and at the rear have a similar meaning, but at the rear is used more in formal or official language.
What’s that at the back of the fridge?
Smoking is only allowed at the rear of the aircraft.
指房子的后门较常用back door，但飞机或公共建筑的后门较常用rear exit。behind指在后面，但不是其中的部分。比较：
It is more usual to talk about the back door of a house but the rear exit of an aircraft or public building. If something is behind something else it is near to the back of it but not part of it. Compare
Our room was at the back of the hotel.
There’s a lovely wood just behind our hotel.
(American football) the position of a player on a football team who is stationed behind the line of scrimmage
a support that you can lean against while sitting
- the back of the dental chair was adjustable
the part of a garment that covers the back of your body
- they pinned a `kick me' sign on his back
the protective covering on the front, back, and spine of a book
- the book had a leather binding
近义词: binding,book binding,cover
the side that goes last or is not normally seen
- he wrote the date on the back of the photograph
the posterior part of a human (or animal) body from the neck to the end of the spine
- his back was nicely tanned
the series of vertebrae forming the axis of the skeleton and protecting the spinal cord
- the fall broke his back
近义词: spinal column,vertebral column,spine,backbone,rachis
the part of something that is furthest from the normal viewer
- he stood at the back of the stage
- it was hidden in the rear of the store
(football) a person who plays in the backfield
strengthen by providing with a back or backing
establish as valid or genuine
- Can you back up your claims?
近义词: back up
shift to a counterclockwise direction
- the wind backed
place a bet on
- Which horse are you backing?
- I'm betting on the new horse
近义词: bet on,gage,stake,game,punt
- back into the driveway
- The car backed up and hit the tree
cause to travel backward
- back the car into the parking spot
support financial backing for
- back this enterprise
be behind;approve of
- He plumped for the Labor Party
- I backed Kennedy in 1960
近义词: endorse,indorse,plump for,plunk for,support
give support or one's approval to
- I'll second that motion
- I can't back this plan
- endorse a new project
be in back of
- My garage backs their yard
in or to or toward a past time
- set the clocks back an hour
- never look back
- lovers of the past looking fondly backward
at or to or toward the back or rear
- he moved back
- tripped when he stepped backward
- she looked rearward out the window of the car
in repayment or retaliation
- we paid back everything we had borrowed
- he hit me and I hit him back
- I was kept in after school for talking back to the teacher
in or to or toward a former location
- she went back to her parents' house
in or to or toward an original condition
- he went back to sleep
- he wrote back three days later