英语词汇“back up”的读音、翻译、释义、用法及例句-青年旅行网

Idiom

back upback up (something)

to make an electronic copy of information in a computer so that it can be stored separately.

We back up our files on a disk every day.

to state the truth of something.

The last speaker backed up what most of the other people said.

Phr V

back up

backs, backing, backed

back up sb or back sb up

to say that someone is telling the truth

Will you back me up if I say that he wasn't here?

often + on

I know you're telling the truth so I'll back you up on that.

to support or help someoneoften + in

My family backed me up in my fight for compensation.

back-up

noun

Our engineers will provide technical back-up.

if a musician backs up another musician, they play music or sing with them

Can you back me up on piano?

back-up

adjective (always before noun) American & Australian

She's a back-up singer for Whitney Houston.

back up sth or back sth up

to prove that something is true

Her findings have been backed up by recent studies.

back up (sth) or back (sth) up

to drive a car backwards

Back up a little more so there's room for another car in front.

to make a copy of computer information so that you do not lose itoften + on/onto

I back up all my files onto floppy disks.Make sure you back up every night.

back-up

noun

Always make a back-up of your files.

used as adj

Where are those back-up tapes?

back up

if traffic backs up, the vehicles have to wait in a long line because there are too many of them

Traffic is starting to back up on both lanes of the motorway.

if a drain, toilet or sink backs up, it becomes blocked and does not let water flow away through it

One of the ladies' toilets is backing up - could you phone the plumber?

back up or back sb up

to move or step backwards, or to make someone move or step backwards a certain distance

Could you all back up a bit please, so that I can open the door?

back up

1. verb To move backwards. This phrase is commonly used to refer to maneuvering a car in reverse. Back up, you're standing too close to me! If you back up a little, then your car will be completely in that parking space.

2. verb To save copies of computer files in another place, in case the original files become inaccessible. If you didn't back up your files before the computer crashed, they may be lost forever.

3. verb To become clogged and impassable. I'm calling the plumber right now because the toilet is backed up again. Traffic is totally backed up, due to all that construction.

4. verb To return to an item previously mentioned. Whoa, back up—Janet and Jim are getting married?

5. verb To support or assist someone. In this usage, a noun or pronoun can be used between "back" and "up." You didn't see that meeting on the calendar, either? OK, please back me up on this, so the boss doesn't think I'm an idiot.

6. noun An alternate to be used if it becomes necessary for some reason, typically the failure, ineffectiveness, or the absence of the original. The phrase is typically written as one word. I brought an extra pen as a backup, in case this one runs out of ink during the exam. I hope Tony asks me to the prom, but, if not, I have my best friend Bill as a backup.

7. adjective Available for use as an alternate if it becomes necessary for some reason, typically the failure, ineffectiveness, or the absence of the original. The phrase is typically written as one word. I brought three backup pens, in case this one runs out of ink during the exam. I'm the backup quarterback, but I still have to know all the plays in case I get in the game. I hope Tony asks me to the prom, but, if not, I have my best friend Bill as a backup date.

8. adjective Appearing in the background in support of a main act or performer. The phrase is typically written as one word. She's auditioning backup dancers for her world tour today.

back someone up

to provide someone with help in reserve; to support someone. Don't worry. I will back you up when you need me. Will you please back up Nancy over the weekend?

back something up

1. Lit. to drive a car backwards. Will you back your car up a little? I will back up the car.

2. Lit. to cause objects to obstruct a pathway or channel and cause a slowdown in the flow. The wreck backed the cars up for a long way. Some dead branches and leaves backed the sewer up.

3. Fig. to give additional support or evidence about something. (To support or strengthen the facts.) My story of the crime will back your story up. That backs up my story, all right.

back up (to something)

to go back to something said in a conversation. Wait—back up a little. What did you say that phone number was? Let's back up to what you just said and go over that point again.

back up

1. Lit. [for objects] to obstruct and accumulate in a pathway or channel. Something clogged the sewer and it backed up.

2. Fig. to refuse to go through with something; to back out (of something). Fred backed up at the last minute, leaving me to do the job alone.

back up

1. Move or drive a vehicle backward, as in He told her to back up into the garage. [First half of 1800s]

2. Bring or come to a standstill, as in The water had backed up in the drains, or The accident had backed up traffic for miles. [First half of 1800s]

3. Support or strengthen, as in The photos were backed up with heavy cardboard so they couldn't be bent, or I'll back up that statement of yours. [Second half of 1700s]

4. Duplicate a file or program so that the original is not lost. For example, Every computer manual warns you to back up your work frequently in case of a power outage or computer failure . [Second half of 1900s]

back up

1. To move backward: We passed the house we were looking for, so we had to back up a little bit.

2. To move something or someone backward: I backed the car up against the garage wall. Let's back up the car to the curb.

3. To prove something to be true: There was not enough evidence to back up the theory. What I told you is true, and now I have even more evidence to back it up.

4. To support someone by confirming that they are telling the truth: We told our version of the events, certain that the witnesses would back us up. They won't back up anyone who is known for lying.

5. To provide help or support for someone or something: If I decide to take on the job, can I count on you to back me up? The political party backs up any candidate who follows its basic principles.

6. To cause to accumulate, especially due to an obstruction: The accident backed the traffic up for blocks. Something got stuck in the drain, and now the kitchen sink is backed up.

7. To make a copy of a computer program or file for use if the original is lost or damaged: I backed up the disk so that I wouldn't lose any data. Be sure to back your files up before you turn off the computer.

back up

in. to refuse to go through with something; to back out (of something). Fred backed up at the last minute, leaving me with twenty pounds of hot dogs.

backed up

mod. drug intoxicated. Old Benny’s really backed up.

词汇	back up
释义	Idiom back someone or something up Theme: AGREEMENT to support someone or something; to concur with someone. Please back me up in this argument.I would like you to back up John in this discussion. Slang back up Theme: REFUSAL in. to refuse to go through with something; to back out (of something). Fred backed up at the last minute, leaving me with twenty pounds of hot dogs.Don't back up now, man. It's too late. Idiom back upback up (something) 1. to make an electronic copy of information in a computer so that it can be stored separately. We back up our files on a disk every day. 2. to state the truth of something. The last speaker backed up what most of the other people said. Phr V back up backs, backing, backed back up sb or back sb up to say that someone is telling the truth Will you back me up if I say that he wasn't here? often + on I know you're telling the truth so I'll back you up on that. to support or help someoneoften + in My family backed me up in my fight for compensation. back-up noun Our engineers will provide technical back-up. if a musician backs up another musician, they play music or sing with them Can you back me up on piano? back-up adjective (always before noun) American & Australian She's a back-up singer for Whitney Houston. back up sth or back sth up to prove that something is true Her findings have been backed up by recent studies. back up (sth) or back (sth) up to drive a car backwards Back up a little more so there's room for another car in front. to make a copy of computer information so that you do not lose itoften + on/onto I back up all my files onto floppy disks.Make sure you back up every night. back-up noun Always make a back-up of your files. used as adj Where are those back-up tapes? back up if traffic backs up, the vehicles have to wait in a long line because there are too many of them Traffic is starting to back up on both lanes of the motorway. if a drain, toilet or sink backs up, it becomes blocked and does not let water flow away through it One of the ladies' toilets is backing up - could you phone the plumber? back up or back sb up to move or step backwards, or to make someone move or step backwards a certain distance Could you all back up a bit please, so that I can open the door? phraseback up1. back up sth • *back sth* up to prove that something is true: There was no scientific evidence to back up their claims. It was fortunate that the videotape backed up the manager's story.■ SIMILAR TO: support2. back sb up • back up sb** to support someone by saying that they are telling the truth: Peggy was there too. She'll be able to back me up. He swears he's telling the truth and has witnesses who will back him up.3. back up sb/sth • *back sb/sth* up** to provide help or support for someone or something: Officials discussed the possibility of using military forces to back up the police. a series of security arrangements which would back up a peace deal solar power, backed up by a propane generatorback-up n singular, U help or support for someone or something: Several police cars provided back-up for the officers.back-up adj always before noun back-up systems, services, or equipment are designed to be used if the main one does not work effectively: Nuclear reactors have superbly efficient back-up systems in case of emergencies.4. back up sth • *back sth* up** to make a copy of information on a computer, and store it on a separate disk or tape so that the information is safe if there is a problem with the computer: You should back up your data at least once a week.back-up n C a copy of information on a computer: The tape drive does an automatic back-up every lunchtime. Remember to keep back-ups of all your important files.back-up adj always before noun used or produced when you make a copy of information on a computer: back-up disks a back-up copy5. back up • back up sth • *back sth* up** if you back up or back a vehicle up, you drive backwards: Will you back up a bit so that I can get through, please? The driver backed the taxi up to the hotel door.■ SIMILAR TO: reverse BrE6. back up if traffic backs up, it stops moving and forms a long line because there are so many vehicles: If you leave town after five o'clock the traffic starts backing up really badly. back up 1. verb To move backwards. This phrase is commonly used to refer to maneuvering a car in reverse. Back up, you're standing too close to me! If you back up a little, then your car will be completely in that parking space. 2. verb To save copies of computer files in another place, in case the original files become inaccessible. If you didn't back up your files before the computer crashed, they may be lost forever. 3. verb To become clogged and impassable. I'm calling the plumber right now because the toilet is backed up again. Traffic is totally backed up, due to all that construction. 4. verb To return to an item previously mentioned. Whoa, back up—Janet and Jim are getting married? 5. verb To support or assist someone. In this usage, a noun or pronoun can be used between "back" and "up." You didn't see that meeting on the calendar, either? OK, please back me up on this, so the boss doesn't think I'm an idiot. 6. noun An alternate to be used if it becomes necessary for some reason, typically the failure, ineffectiveness, or the absence of the original. The phrase is typically written as one word. I brought an extra pen as a backup, in case this one runs out of ink during the exam. I hope Tony asks me to the prom, but, if not, I have my best friend Bill as a backup. 7. adjective Available for use as an alternate if it becomes necessary for some reason, typically the failure, ineffectiveness, or the absence of the original. The phrase is typically written as one word. I brought three backup pens, in case this one runs out of ink during the exam. I'm the backup quarterback, but I still have to know all the plays in case I get in the game. I hope Tony asks me to the prom, but, if not, I have my best friend Bill as a backup date. 8. adjective Appearing in the background in support of a main act or performer. The phrase is typically written as one word. She's auditioning backup dancers for her world tour today. back someone up to provide someone with help in reserve; to support someone. Don't worry. I will back you up when you need me. Will you please back up Nancy over the weekend? back something up 1. Lit. to drive a car backwards. Will you back your car up a little? I will back up the car. 2. Lit. to cause objects to obstruct a pathway or channel and cause a slowdown in the flow. The wreck backed the cars up for a long way. Some dead branches and leaves backed the sewer up. 3. Fig. to give additional support or evidence about something. (To support or strengthen the facts.) My story of the crime will back your story up. That backs up my story, all right. back up (to something) to go back to something said in a conversation. Wait—back up a little. What did you say that phone number was? Let's back up to what you just said and go over that point again. back up 1. Lit. [for objects] to obstruct and accumulate in a pathway or channel. Something clogged the sewer and it backed up. 2. Fig. to refuse to go through with something; to back out (of something). Fred backed up at the last minute, leaving me to do the job alone. back up 1. Move or drive a vehicle backward, as in He told her to back up into the garage. [First half of 1800s] 2. Bring or come to a standstill, as in The water had backed up in the drains, or The accident had backed up traffic for miles. [First half of 1800s] 3. Support or strengthen, as in The photos were backed up with heavy cardboard so they couldn't be bent, or I'll back up that statement of yours. [Second half of 1700s] 4. Duplicate a file or program so that the original is not lost. For example, Every computer manual warns you to back up your work frequently in case of a power outage or computer failure . [Second half of 1900s] back up v. 1. To move backward: We passed the house we were looking for, so we had to back up a little bit. 2. To move something or someone backward: I backed the car up against the garage wall. Let's back up the car to the curb. 3. To prove something to be true: There was not enough evidence to back up the theory. What I told you is true, and now I have even more evidence to back it up. 4. To support someone by confirming that they are telling the truth: We told our version of the events, certain that the witnesses would back us up. They won't back up anyone who is known for lying. 5. To provide help or support for someone or something: If I decide to take on the job, can I count on you to back me up? The political party backs up any candidate who follows its basic principles. 6. To cause to accumulate, especially due to an obstruction: The accident backed the traffic up for blocks. Something got stuck in the drain, and now the kitchen sink is backed up. 7. To make a copy of a computer program or file for use if the original is lost or damaged: I backed up the disk so that I wouldn't lose any data. Be sure to back your files up before you turn off the computer. back up in. to refuse to go through with something; to back out (of something). Fred backed up at the last minute, leaving me with twenty pounds of hot dogs. backed up mod. drug intoxicated. Old Benny’s really backed up.
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