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单词 letup
释义

WordReference Random House Learner's Dictionary of American English © 2024
let•up /ˈlɛtˌʌp/USA pronunciation   n. 
  1. Informal Termsa stopping of activity, work, etc.: [uncountable]rained without letup.[countable]raining without a letup.

WordReference Random House Unabridged Dictionary of American English © 2024
let•up  (let′up′),USA pronunciation n. [Informal.]
  1. Informal Termscessation;
    pause;
    relief.
  • noun, nominal use of verb, verbal phrase let up 1835–45, American.

WordReference Random House Learner's Dictionary of American English © 2024
let1 /lɛt/USA pronunciation   v., let, let•ting, n. 
v. 
  1. to allow or permit: [~ + object + root form of verb]Don't let her see our faces.[~ + object]Can you come out? No, my parents won't let me.
  2. to allow to pass, go, or come:[~ + object]He let us into the house.
  3. to cause to;
    make:[~ + object + root form of verb]to let her know the truth.
  4. [~ + object + root form of verb] This word is used in the command forms Let or Let us (or Let's, which is short for Let us):
    • to make a request:Let's try to get along, please.
    • to give a command:Let me see what's in your hand.
    • to express a warning about someone else doing something:If they think they can just take over, just let them try.
    • to make a suggestion:Why not let her drive?
    • to express one's indifference to some situation;
      to show that one does not care about something:If she wants to gamble, let her do it.
  5. to grant the use of for rent or hire:[~ + object]to let rooms.
  6. to allow to be leased:[no object]an apartment to let.

v. 
  1. Aeronautics let down:
    • to disappoint or betray: [~ + object + down]She really let me down when she didn't come to our party.[~ + down + object]He let down the whole team.
    • [~ + object + down] to lower:He let the car down off the lift.
    • to make (a garment) longer: [~ + down + object]Can you let down this dress a few inches?[~ + object + down]He let the dress down a few inches.
  2. let in, to admit: [~ + in + object]This place lets in all kinds of people.[~ + object + in]Let me in.
  3. let in on, [~ + object + in + on + object] to allow to share in:I'll let you in on a secret.
  4. let off:
    • to release like an explosion: [~ + off + object]to let off steam.[~ + object + off]to let steam off.
    • to excuse from work or responsibility: [~ + object + off]The boss let us off early.[~ + off + object]The boss let off his workers early.
    • to release with little or no punishment: [~ + object + off]The judge let him off with probation.[~ + off + object]That judge lets off too many criminals.
  5. let on:
    • to reveal: [~ + on + (that) clause]He didn't let on that he knew about the party.[no object]She knew where they were going, but she never let on.[~ + on + about + object]She never let on about it.
    • [~ + on + (that) clause] to pretend:He tried to let on that he didn't care.
  6. let out:
    • [~ + out + object] to make known;
      express:He let out a doubt.
    • to release from confinement, restraint, etc.: [~ + object + out]to let air out of a tire.
    • to alter (a garment) so as to make larger or looser: [~ + out + object]to let out a dress a few inches.[~ + object + out]to let a dress out a few inches.
    • [no object] to be finished or dismissed:School lets out in May.
  7. let up, [no object]
    • to grow less powerful;
      lessen;
      abate;
      diminish:The hurricane let up gradually.
    • to cease;
      stop:At last, the rain is letting up.
  8. let up on, [~ + up on + object] to become more lenient with;
    to treat less strictly:Let up on her; she's just a child.

n. [countable* usually singular]
  1. British Termsa housing rental.
Idioms
  1. Idioms let be, [~ + object + be] to refrain from interfering with or bothering:Those boys wouldn't let him be, with their constant teasing.

  • let go:
    • [~ + object + go] to allow to escape:She let the fish go because it was too small to keep.
    • to stop holding on to: [~ + go + of + object]let go of the rope and fell.
    • [no object]Hold on, don't let go.
  • let oneself in for, [~ + object + in + for] to allow oneself to become involved in:He didn't know what he was letting himself in for when he started the new job.
  • Idioms, Informal Terms let (someone) have it, [~ + object + have it][Informal.]to attack;
    assault.

    • let2 /lɛt/USA pronunciation   n. [countable]
    1. Sport(in tennis, badminton, etc.) any shot or action that must be replayed, esp. an otherwise valid serve that has hit the top of the net.

    -let, suffix. 
      • -let is attached to a noun to form a noun that is a smaller version of the original noun or root:book + -let → booklet (= a smaller book);pig + -let → piglet (= a smaller pig).
      • -let is also attached to a noun to form a noun that is a band, ornament, or article of clothing worn on the part of the body mentioned:ankle + -let → anklet (= piece of clothing like a sock worn on the ankle);wrist + -let → wristlet (= ornament like a bracelet worn on the wrist).

    WordReference Random House Unabridged Dictionary of American English © 2024
    let1  (let),USA pronunciation v., let, let•ting, n. 
    v.t. 
    1. to allow or permit:to let him escape.
    2. to allow to pass, go, or come:to let us through.
    3. to grant the occupancy or use of (land, buildings, rooms, space, etc., or movable property) for rent or hire (sometimes fol. by out).
    4. to contract or assign for performance, usually under a contract:to let work to a carpenter.
    5. to cause to;
      make:to let one know the truth.
    6. (used in the imperative as an auxiliary expressive of a request, command, warning, suggestion, etc.):Let me see. Let us go. Just let them try it!

    v.i. 
    1. to admit of being rented or leased:The apartment lets for $100 per week.
    2. let alone. See alone (def. 5).
    3. Idioms let be:
      • to refrain from interference.
      • to refrain from interfering with.
    4. Aeronautics let down:
      • to disappoint;
        fail.
      • to betray;
        desert.
      • to slacken;
        abate:We were too near success to let down in our efforts.
      • to allow to descend slowly;
        lower.
      • Aeronautics(of an airplane) to descend from a higher to a lower altitude preparatory to making an approach and landing or a similar maneuver.
    5. Idioms let go. See go (def. 82).
    6. let in:
      • to admit.
      • to involve (a person) in without his or her knowledge or permission:to let someone in for a loss.
      • Also, let into. to insert into the surface of (a wall or the like) as a permanent addition:to let a plaque into a wall.
      • Also, let in on. to share a secret with;
        permit to participate in.
    7. let off:
      • to release by exploding.
      • to free from duty or responsibility;
        excuse.
      • to allow to go with little or no punishment;
        pardon:The judge let off the youthful offender with a reprimand.
    8. let on:
      • to reveal one's true feelings:She was terrified at the prospect, but didn't let on.
      • to pretend:They let on that they didn't care about not being invited, but I could tell that they were hurt.
    9. let out:
      • to divulge;
        make known.
      • to release from confinement, restraint, etc.
      • to enlarge (a garment).
      • to terminate;
        be finished;
        end:When does the university let out for the summer?
      • to make (a let-out fur or pelt).
    10. let someone have it, [Informal.]to attack or assault, as by striking, shooting, or rebuking:The gunman threatened to let the teller have it if he didn't move fast.
    11. let up:
      • to slacken;
        diminish;
        abate:This heat wave should let up by the end of the week.
      • to cease;
        stop:The rain let up for a few hours.
    12. let up on, to treat less severely;
      be more lenient with:He refused to let up on the boy until his grades improved.

    n. 
    1. British Termsa lease.
    • bef. 900; Middle English leten, Old English lǣtan; cognate with Dutch laten, German lassen, Old Norse lāta, Gothic lētan; akin to Greek lēdeîn to be weary, Latin lassus tired. See late
      • 1.See corresponding entry in Unabridged See allow. 
      • 1.See corresponding entry in Unabridged suffer, grant.
      • 3.See corresponding entry in Unabridged lease, rent, sublet, hire.
      • 1.See corresponding entry in Unabridged prevent.
      Let us is used in all varieties of speech and writing to introduce a suggestion or a request:Let us consider all the facts before deciding.The contracted form let's occurs mostly in informal speech and writing:Let's go.Let's not think about that right now.Perhaps because let's has come to be felt as a word in its own right rather than as the contraction of let us, it is often followed in informal speech and writing by redundant or appositional pronouns:Let's us plan a picnic.Let's you and I (or me) get together tomorrow. Both Let's you and me and Let's you and I occur in the relaxed speech of educated speakers. The former conforms to the traditional rules of grammar; the latter, nonetheless, occurs more frequently. See also leave1. 

    let2  (let),USA pronunciation n., v., let•ted or let, let•ting. 
    n. 
    1. Sport(in tennis, badminton, etc.) any play that is voided and must be replayed, esp. a service that hits the net and drops into the proper part of the opponent's court.
    2. Law[Chiefly Law.]an impediment or obstacle:to act without let or hindrance.

    v.t. 
    1. [Archaic.]to hinder, prevent, or obstruct.
    • bef. 900; Middle English letten (verb, verbal), lette (noun, nominal; derivative of the verb, verbal), Old English lettan (verb, verbal), derivative of læt slow, tardy, late; cognate with Old Norse letja to hinder

    -let, 
    1. a diminutive suffix attached to nouns (booklet;
      piglet;
      ringlet      ), and, by extraction from bracelet, a suffix denoting a band, piece of jewelry, or article of clothing worn on the part of the body specified by the noun (anklet;
      wristlet      ).
    • Latin -ellus diminutive suffix; compare -elle, chaplet) + -et -et
    • Latin -āle, neuter of -ālis -al1 (compare bracelet) or
    • Middle French -elet, equivalent. to -el (
    • Middle English -let, -lette

    Collins Concise English Dictionary © HarperCollins Publishers::
    let up vb (intr, adverb)
    1. to diminish, slacken, or stop
    2. (followed by on) informal to be less harsh (towards someone)
     n let-up
    1. informal a lessening or abatement
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    更新时间：2025/2/23 1:06:42