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单词 undo
释义
undo
verb[T]
uk
/ʌnˈduː/us
/ʌnˈduː/
present participleundoing|past tenseundid|past participleundone

undoverb[T](UNFASTEN)

B2
tounfastensomething that isfastenedortied:
解开；打开；拆开
Can someonehelpme to undo myseatbelt?有人能帮我解开安全带吗？
More examples
  • I undid thebuttonson myblouse.
  • He hadeatenso much that he had to undo hisbeltacoupleofnotches.
  • He had undone thebuttonsof hisshirt,exposinganunsightlyexpanseofwhiteflesh.
  • If thecurtainsare tooshortyou could undo thehemto make them abitlonger.
  • Hegentlybeganto undo thezipat the back of herdress.
SMART Vocabulary: related words and phrases
Unfastening and opening
  • breaker
  • gape
  • let/setsomethinglooseidiom
  • loose
  • loosen
  • loosenyourgripidiom
  • shut(someone)up
  • steam
  • tease
  • teasesomethingout
  • the earth/ground/floor opensidiom
  • throw
  • unbuckle
  • unbutton
  • unfold
  • unlock
  • unpick
  • unplug
  • unroll
  • unscrew
See more results »

undoverb[T](REMOVE EFFECTS)

B2
toremovethe good orbadeffectsof anactionor severalactions:
消除，抵消（行为的效果）
I did a reallytoughaerobicsclassand then went out fordinnerand undid(all) the goodwork!我上了一堂活动量很大的有氧健身课， 然后出去吃饭，结果所有的锻炼都白做了！
It's verydifficultto undothedamagethat'scausedbyinadequateparentingin a child's earlyyears.孩子年幼时缺少父母关爱所造成的不良后果很难消除。
SMART Vocabulary: related words and phrases
Destroying and demolishing
  • annihilate
  • annihilation
  • apocalypse
  • bash
  • bash through (something)
  • be sacrificed on the altar ofsomethingidiom
  • fall in
  • in piecesidiom
  • indestructibility
  • killsomethingoff
  • kill the goose that lays the golden eggidiom
  • sacrifice
  • self-destruct
  • self-devouring
  • shred
  • sink
  • smash
  • stave
  • stavesomethingin
  • tear
See more results »
(Definition ofundofrom theCambridge Advanced Learner's Dictionary & Thesaurus© Cambridge University Press)

undo| American Dictionary

undo
verb[T]
us
/ʌnˈdu/
present participleundoing|past tenseundidus/ʌnˈdɪd/|past participleundoneus/ʌnˈdʌn/

undoverb[T](UNFASTEN)

tounfastensomething that isclosedortied:
He undid thetopbuttonof hisshirtandloosenedhistie.

undoverb[T](REMOVE EFFECTS)

toremovetheeffectsof something thathappenedearlier:
It’sdifficultto undo thedamagecausedby afatherwhoabandonshischild.
(Definition ofundofrom theCambridge Academic Content Dictionary© Cambridge University Press)

Examplesofundo

undo
As noted during the example, our experience has confirmed the need for a secure and convenient way of undoing earlier transformation steps.
From theCambridge English Corpus
The sequence of transformation copies the value into the argument of amb, then performs (amb-c) and finally undoes the copying step.
From theCambridge English Corpus
Revisions of national laws may be undoing the codification of the agencies' influence just as the new international standards for banking are poised to magnify the effects of credit ratings.
From theCambridge English Corpus
As mentioned, various forms of language pathology can be accounted for in terms of failures in setting, sustaining, or undoing the activation levels of the two language systems appropriately.
From theCambridge English Corpus
The undoing of absolute sovereignty is not a violently destructive act, an act that inflicts pain or injury, but an act that undoes pain and injury.
From theCambridge English Corpus
The prediction here is that success at undoing the gliding error pattern should result automatically in the loss of the harmony error pattern without direct treatment on the latter.
From theCambridge English Corpus
Now we cannot but feel that we have been maligned in such a way that much of our good work has been undone.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The area affected has been set back several decades and its efforts to heal the deep wounds of its most recent past have been undone.
FromEuroparl Parallel Corpus - English
In many cases, then, what they say they want to do in the daytime is undone overnight.
FromEuroparl Parallel Corpus - English
The result is that a great deal of business is left undone.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
However, one also knows that it could take only another generation for it to be undone because that is the way of human affairs.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
I cannot imagine any farmer leaving work undone to save a few shillings on petrol.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
My experience of what has happened is that nothing that could be done, and that was within our power to do, has been left undone.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
Why did it remain undone six months afterwards?
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
The case of the 12-year-old horse rider is very different from that of the six-year-old who undoes his or her seat belt.
From the
Hansard archive
Example from the Hansard archive. Contains Parliamentary information licensed under theOpen Parliament Licence v3.0
These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.
#https://dictionary.cambridge.org//dictionary/english/undo##
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更新时间：2025/1/19 2:54:33