| 词组 | let |
| 释义 | let [let, let, letting] let down 1. let sb down • let down sb to fail to do something that someone is relying on you to do, in a way that is disappointing or annoying: ▪ The builder promised that he'd come today, but he's let me down again. ▪ My car never let me down all winter. ▪ The education system is letting down our children. be let down (by sb) ▪ The working class in this country have always been let down by the politicians who claim to represent them. feel let down (by sb) (=when you feel disappointed because someone fails to do something that you are relying on them to do) ▪ I felt really let down when he didn't turn up for our date. let the side down BrE (=fail to do what the other people in your family, team etc expect you do do) ▪ Martin's sisters all went to university, and he feels he's let the side down by failing to get a place. letdown n singular something that is disappointing because it is not as exciting, interesting, or successful as you expected: ▪ Her wedding night was such a letdown. ▪ The Raiders need to win this match; they can't afford any more letdowns this season. 2. let down sth/sb • let sth/sb down to make something or someone less successful than they should be, by not achieving a good enough standard: ▪ It's quite a good film, but the ending lets it down. let yourself down ▪ His written work is fine; it's his spoken language that's letting him down. 3. let sth down • let down sth BrE if you let down a tyre, or something else that has air in it, you allow all the air to come out: ▪ When he came back to his bike, some idiot had let his tyres down. ▪ If you've finished with the airbed, I'll let it down. ■ SIMILAR TO: let the air out of sth, deflate formal ■ OPPOSITE: blow up, pump up, inflateformal 4. let sth down • let down sth to make a skirt, dress, or pair of trousers longer by cutting the stitches at the bottom, unfolding some of the material, and stitching it again: ▪ Mum, can you let these trousers down? They're too short. let in 1. let sb in • let in sb to allow someone to enter a room or building, especially by opening the door: ▪ Pauline was banging on our door. "Let me in!" she screamed. ▪ The doorman had a key to the apartment, so he let them in. ▪ Try The Tube - a smart new club in the centre of town - but they won't let you in if you're wearing jeans. let yourself in ▪ I've got a key, so I can let myself in if you're not home when I arrive. ■ SIMILAR TO: ↑admit formal 2. let in sth • let sth in to allow air, light, water etc to enter a place: ▪ Then the door opened, letting in a cold damp gust of wind. ▪ I pulled back the curtains to let in as much light as possible inlet n C the part of a machine through which liquid or gas can enter: ▪ Check the water inlet to make sure it isn't blocked. let in for let yourself in for sth informal to become involved in something that may be difficult or cause you problems: ▪ Tracy's thrilled that she's pregnant - she doesn't know what she's letting herself in for! ▪ Hutton joined the Tigers in June, but he must have wondered what he'd let himself in for when they lost the first three matches. let in on let sb in on sth to tell someone about a secret, or about something that only a few people know about: ▪ Shall I let you in on a secret? We're getting married next year. ▪ Could someone please let me in on the joke - what's so funny? ■ SIMILAR TO: ↑let into let into 1. let sb into sth to allow someone to enter a place: ▪ Immigration officials refused to let him into the country. ▪ Youths attacked a sixty-year-old woman after she let them into her house in Jerviston Street yesterday. let yourself into sth (=open the door to a room or building with a key and go in) ▪ She only had time to park her car and let herself into her apartment before he arrived. ■ SIMILAR TO: ↑admit formal 2. let sb into a secret BrE to tell someone something that is secret or private: ▪ I'll let you into a secret - James is not Kath's real father. ▪ Junior officers who were on duty had not been let into the secret of what was going to happen. ■ SIMILAR TO: ↑let in on 3. be let into sth BrE if something is let into a wall or other surface, it is fixed into a space or hole in the surface: ▪ It was a large room under the roof, with a window let into the sloping ceiling. ▪ Prisoners were handcuffed to iron rings let into the walls. ■ SIMILAR TO: set into let off 1. let sb off • let off sb to not punish someone when they have done something wrong: ▪ "I'm sorry, I'm late!" "I'll let you off this time." ▪ Beaney should have been booked for that foul, but the referee let him off. + with ▪ Kids who are caught stealing are often just let off with a warning. let sb off lightly (=give someone a punishment that is less serious than they deserve) ▪ You have been fined for this offence in the past: this time I am not letting you off so lightly. 2. let sb off sth • let sb off • let off sb to allow someone not to do a job that they are supposed to do, or not to pay a debt that they owe: ▪ Will you let me off the washing up tonight? I want to go out early. ▪ A spokesman said the government was willing to let the company off its 8 million-dollar debt. 3. let off sth • let sth off to make something such as a bomb explode, or to fire a gun: ▪ Terrorists let off a massive bomb in the city centre. ▪ "Stop right there!" he yelled, and let off a warning shot. ▪ What time do they start letting off the fireworks? 4. let sb off to stop a car, bus etc to allow someone to get out: ▪ Ask the taxi driver to let you off by the post office. ▪ Do you want me to let you off here? ■ SIMILAR TO: ↑drop off informal, ↑set down 5. let off sth • let sth off BrE to rent part of a building to someone: ▪ The Burtons let off part of the house and lived in the rest. ▪ Part of the building is let off as a separate factory. ■ SIMILAR TO: ↑rent out, ↑let out BrE 6. let off sth • let sth off to produce heat, gas, sound etc: ▪ It's only a small radiator, so it doesn't let off much heat. ▪ The ship let off a couple of blasts from its siren and slowly began to move away from the dock. ■ SIMILAR TO: ↑give off, produce formal, emit formal 7. let off BrE informal to allow air to escape from your bottom, making a rude noise and an unpleasant smell: ▪ Ugh! What a stink! Who's let off? ■ SIMILAR TO: ↑fart, break wind let on let on usually negative informal if you don't let on about a secret or about your feelings, you do not tell other people about them: ▪ Carol's living with her boyfriend now, but don't let on to Mum, will you? ▪ Perhaps Anna's death upset him more than he let on. + about ▪ Lizzy made Kate promise not to let on about the money. let out 1. let sb out • let out sb to allow someone to leave somewhere: ▪ "Stop the car and let me out," Elly screamed. + of ▪ Hanson was recently let out of prison to spend the weekend with his wife, Brenda. ▪ She still looks very ill - they shouldn't have let her come out of the hospital. let sb out • let out sb to open or unlock a door so that someone can leave somewhere: ▪ Haley went downstairs to let the cat out. ▪ The youth was trapped inside the building, and had to ask a passer-by to let him out. let yourself out ▪ She crept through the dark silent house and let herself out into the garden. 2. let out sth not passive literary to make a particular sound: ▪ Eugene let out a long loud laugh when he heard what had happened. ▪ Without thinking, I touched the metal bar. It was so hot I almost let out a scream. ▪ As soon as he had gone, they all let out a deep sigh of relief. ■ SIMILAR TO: utter formal 3. let out sth • let sth out to express or get rid of strong feelings, especially when you feel very angry or upset about something: ▪ Sometimes it's good to cry and just let it all out. outlet n C a way of expressing or getting rid of strong feelings about something: ▪ Hope described his boxing career as the perfect outlet for his aggression. 4. let sth out • let out sth to allow air, water etc to escape or flow out of something: ▪ The kitchen door was open, letting out all the warmth from the room. let out a breath (=breathe air out of your lungs) ▪ "Could you take a deep breath," the doctor said, "and then let it out slowly." outlet n C a hole or pipe that air or water can flow out of: ▪ For both the bath and the sink, you have to buy the taps and the waste outlet separately. 5. let sth out • let out sth to tell people something that was intended to be a secret: ▪ George was the only person who could have let this information out. ▪ I was worried he might let out my secret. ▪ Who let out that it's my birthday today? let the cat out of the bag (=tell people something that was intended to be a secret) ▪ Mr Dunn let the cat out of the bag about the government's true intentions. ■ SIMILAR TO: reveal 6. let out sth • let sth out BrE to allow someone to rent a house, apartment etc that you own: ▪ We could let out a room to make a bit of extra cash. ▪ The house next door, Number 3, was let out as three flats. ■ SIMILAR TO: ↑rent out, ↑let 7. let sb out of a contract/agreement to allow someone not to have to do what they have agreed to do in a contract: ▪ Kaelin was let out of his radio contract in order to pursue film and TV roles. let-out n C usually singular BrE something that allows someone to avoid doing something unpleasant or something that they do not want to do: ▪ The insurance company refused to pay anything in the end because of some let-out in the contract. 8. let sth out • let out sth to sew up a piece of clothing in a way that makes it wider or looser than before, so that someone can fit into it: ▪ I'll never get into this skirt again unless I can let it out a bit. ■ OPPOSITE: let through let sb/sth through • let through sth/sb • let sb/sth through sth to allow someone or something to pass through and get somewhere: ▪ The security guard refused to let me through the gate. ▪ There were thick velvet curtains that didn't let any light through. + to ▪ Reports came that Jordan was letting shipments through to Iraq. let up 1. let up if bad weather or an unpleasant situation lets up, it stops or becomes less serious than before: ▪ I'll drive you into town as soon as the snow lets up. ▪ The economic crisis showed no sign of letting up. ■ SIMILAR TO: ↑ease off/up let-up n singular, U a pause in bad weather or an improvement in an unpleasant situation + in ▪ Many houses were flooded and still there was no let-up in the rain. 2. let up usually negative to stop doing something or to do it less than before, especially when you have been doing it continuously in a very determined way or in a way that annoys someone: ▪ Little kids ask questions all the time. They won't let up. + in/on ▪ A police spokesman said that they would not let up in their campaign against drugs. ▪ When his headaches returned, Fred was advised to let up on his studies. let-up n singular, U when you stop doing something that you have been doing or you do it less than before + in ▪ The government wants no let-up in the war against the rebels. |
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