释义
🔑 back back 1 /bæk noun
[countable ➤ part of the body 身体部位 the part of a person's or an animal's body between the neck and the hips ◆ Do you sleep on your back or on your side ?◆ She was standing with her back to me , so I couldn't see her face .◆ He swung himself up onto the horse's back .➤ part farthest from the front 后部 the part or side of something that is farthest from the front ◆ Dan couldn't see the chalkboard because he was sitting at the back of the class .◆ Jane sat next to the driver , and I sat in the back of the car .◆ You can take the front seat and I'll sit in back .◆ The back of the house looks much nicer than the front .◆ There's some information about the author at the back of the book .◆ You need to sign the back of the check in order to cash it . OPP front ➤ of chair 椅子 the part of a chair that you lean against when you sit down ◆ Don't climb on the back of the couch !● behind sb's back without someone's knowledge or agreement ◆ They criticized her behind her back . OPP to sb's face ● get off sb's back (informal to stop bothering or annoying someone ◆ I wish she'd get off my back !● in the back of your mind in your thoughts , but not the main thing that you are thinking about ◆ Even when I'm at work , that problem is in the back of my mind .● know sth inside out / like the back of your hand (informal to be very familiar with something ◆ I grew up here . I know these woods like the back of my hand .● a pat on the back congratulations for something good that a person has done 🔑 back back 2 /bæk adjective
(only before a noun 只用于名词前 farthest from the front ◆ Did you lock the back door ?◆ the back row of the theater ◆ back teeth OPP front owed for a time in the past ◆ back taxes ● on the back burner (informal (used about an idea , a plan , etc .) left to be done or considered later ◆ We'll have to put that project on the back burner until our financial situation improves .🔑 back back 3 /bæk adverb
in or to a place or state that someone or something was in before ◆ Bye ! I'll be back around 6 o'clock (= back home again .◆ When is Joe coming back from Australia ?◆ Go back to sleep .◆ Can I have my pen back , please ?away from the direction you are facing or moving in ◆ She walked away without looking back .◆ Could everyone move back a little , please ?away from something ; under control ◆ The police were unable to keep the crowds back .◆ She tried to hold back her tears .in return or in reply ◆ He said he'd call me back in an hour .in or into the past ; ago ◆ I met him a few years back , in Vancouver .◆ Think back to your first day at school .● back and forth from one place to another and back again , all the time ◆ Traveling back and forth to work takes up a lot of time .◆ The dog ran back and forth , barking .🔑 back back 4 /bæk verb
[intransitive , transitive to move backward or to make something move backward ◆ I'll have to back into that parking space .◆ She backed the car into the parking space . [transitive to give help or support to someone or something ◆ We can go ahead with the project if the bank will agree to back us . [transitive to bet money that a particular horse , team , etc . will win in a race or game ● back away (from sb / sth )to move backward because you are afraid , shocked , etc .◆ He began to back slowly away from the snake . ● back down to stop insisting that you are right ◆ You have the right to a raise ; don't back down now .● back out (of sth )to decide not to do something that you had promised to do ◆ You promised you would come with me . You can't back out of it now !● back up to move backward , especially in a car , etc .◆ Back up slowly – there might be another car coming .● back sb / sth up to support someone ; to say or show that something is true ◆ I'm going to say exactly what I think at the meeting . Will you back me up ?◆ All the evidence backed up what the man had said .● back sth up to make a copy of a computer program , etc . in case the original one is lost or damaged ◆ If you don't back up your files , you risk losing data .to move a car , etc . backward ◆ Back the truck up a little so that other people can get past .
