Online Google Dictionary

undo 中文解釋 wordnet sense Collocation Usage Collins Definition
Verb
/ˌənˈdo͞o/,
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undoing, present participle; undone, past participle; undid, past tense; undoes, 3rd person singular present;
  1. Unfasten, untie, or loosen (something)
    • - the knot was difficult to undo
  2. Cancel or reverse the effects or results of (a previous action or measure)
    • - there wasn't any way Evelyn could undo the damage
  3. Cancel (the last one or more commands executed by a computer)

  4. Cause the downfall or ruin of
    • - Iago's hatred of women undoes him
Noun
  1. A feature of a computer program that allows a user to cancel or reverse the last one or more commands executed

  1. cancel, annul, or reverse an action or its effect; "I wish I could undo my actions"
  2. unmake: deprive of certain characteristics
  3. cause the ruin or downfall of; "A single mistake undid the President and he had to resign"
  4. untie: cause to become loose; "undo the shoelace"; "untie the knot"; "loosen the necktie"
  5. unwrap: remove the outer cover or wrapping of; "Let's unwrap the gifts!"; "undo the parcel"
  6. (undoing) an act that makes a previous act of no effect (as if not done)
  7. Undo is a command in many computer programs. It erases the last change done to the document reverting it to an older state. In some more advanced programs such as graphic processing, undo will negate the last command done to the file being edited.
  8. The Ukrainian National Democratic Alliance, (UNDO) (Українське національно-демократичне об'єднання, УНДО, Ukrayinske Natsionalne-Demokratichne Obiedenia, Ukraińskie Zjednoczenie Narodowo-Demokratyczne) was the largest Ukrainian political party in the Second Polish Republic, active in territory ...
  9. "Undo" is the first single from contemporary Christian band Rush of Fools. It was released in 2007 from the band's first album Rush of Fools. It was the most played song of the year in 2007 on Christian adult contemporary radio.
  10. (Undoing (movie)) Undoing is a 2006 neo-noir drama directed by Chris Chan Lee. The movie is set in the streets of Los Angeles' Koreatown and follows the story of Samuel Kim who returns after a mysterious one-year absence to find redemption from his past. ...
  11. (Undoing (psychology)) Undoing is a defence mechanism in which a person tries to 'undo' an unhealthy, destructive or otherwise threatening thought or action by engaging in contrary behaviour. ...
  12. To reverse the effects of an action. ^syn; To unfasten. ^ant.^ syn
  13. (undoing) That which defeats
  14. (Undoing) When you make mistakes, you can undo them. Nearly everything you can do to an image is undoable. In fact, you can usually undo a substantial number of the most recent things you did, if you decide that they were misguided. Gimp makes this possible by keeping a history of your actions. ...
  15. Undoing means making your previous editing go in reverse, bringing back the text that existed earlier in the editing session. See section Undoing Changes.
  16. (Undoing) a defense mechanism by which we try to undo something we feel shouldn't have been done to begin with. (Example: doghouse flowers.)
  17. An Undo button and capability were first provided in PE 2.7 Alpha, released in January, 2005. Pressing the Undo button plays back the command script automatically recorded by the PE Recorder, less the last action. ...
  18. a curved arrow in the text editing tool bar which allows you to undo your last action
  19. To reverse an action. Undo applied to typing would erase the characters you typed. Undo applied after deleting a folder would restore the folder.
  20. Undoes your last edit. You can only undo one action unless your system has version 2 of the rich edit control installed (see related tip).
  21. Feature that enables you to revert from the current spreadsheet with 47 error values to where you were before you made your mistake when you only had 13 errors.
  22. Undoes the last action you made to your campaign.
  23. cancels the results of the last operation.
  24. Go to the Fingerprint icon at the bottom of the Toolbar, click on "Change/view key assignments". Scroll down the list of operations and find "Undo". Double click on it and assign a keyboard shortcut to it (e.g. Control + u).
  25. Users should be allowed to recover from errors. Reversible actions also encourage exploratory learning.