undo

英 [ʌn'duː] 美 [ʌn'duː]

• v. 解开；松开；取消

双解释义

v. (动词)

1. vt. 松开,解开

   unfasten (what is wrapped or tied)

2. vt. 毁灭,败坏

   bring to ruin; destroy

详尽释义

v. 动词

1. 解开
2. 取消
3. 打开
4. 使恢复原状
5. 使复旧
6. 废除
7. 脱去
8. 拆去
9. 放松
10. 解释
11. 说明
12. 解
13. 破坏
14. 毁灭
15. 糟蹋
16. 败坏
17. 使落魄
18. 使破落
19. 勾引
20. 诱奸
21. 使松开
22. 扰乱
23. 使不安
24. 消除
25. 使失败
26. 松开
27. 作废
28. 使败落
29. 解答

英英释义

Verb:

1. cancel, annul, or reverse an action or its effect;

   "I wish I could undo my actions"
   

2. deprive of certain characteristics

3. cause the ruin or downfall of;

   "A single mistake undid the President and he had to resign"
   

4. cause to become loose;

   "undo the shoelace"
   "untie the knot"
   "loosen the necktie"
   

5. remove the outer cover or wrapping of;

   "Let's unwrap the gifts!"
   "undo the parcel"
   

例句

用作动词 (v.)

1. Would you please undo this knot for me?
   你能不能帮我把这个结解开？
2. He tried to undo the knot by picking at it with his fingers.
   他用手指不停地扯，想把绳结解开。
3. To return a database to its state as of the last committed change, i.e., to undo recent uncommitted changes.
   使一个数据库返回到它上次已确认的改变之后的状态，即取消最近的尚未确认的变动。
4. A compensating transaction means that a new transaction will undo the effects of previous transactions.
   补偿事务的意思是一个新事物会用于取消前一个事务的所有效果。

常见句型

用作动词 (v.)

用作及物动词

S+～+ n./pron.

1. Can you undo this knot?
   你能解开这个结吗?
2. She prepared to undo the band of cloth around his arm which had served as tourniquet.
   她准备解开缠在他胳臂上止血的布带。
3. He undid the parcel.
   他打开包裹。
4. He undid the string round a parcel.
   他解开了绑包裹的绳子。
5. He bent down and undid the laces of his shoes.
   他弯腰解开鞋带。
6. He undid the rope tied on his back and let one end of it down along the wall.
   他把背上的绳子解开,把一头顺墙放了下来。
7. His pride will undo him some day.
   他的傲慢总有一天会毁了他。
8. He did wrong, and in the end his wrongs undid him.
   行恶者终以其恶毁其身。
9. This mistake has undone all our good work.
   这个错误使我们所有良好的工作白做了。
10. The sudden fire undid months of hard work.
    这场意外的火灾使几个月的辛勤劳动付诸东流。
1
11. Your laces of shoes were undone.
    你的鞋带松了。
12. His package was undone.
    他的包裹松开了。
13. The evil that he did can never be undone.
    他做的坏事永远不会被抹掉。
14. Though we are all undone,I was not much afraid.
    虽然咱们什么都完了,可是我并不害怕。
15. What is done cannot be undone.
    覆水难收。

经典引文

• She undid the gate, and held it half open.

  出自： L. Parr

• Marcus..undid Patrick's pyjama jacket and started to pull it off.

  出自： I. Murdoch

词汇搭配

用作动词 (v.)

～+名词

• undo band of cloth 解开布带
• undo knot 解开结
• undo laces of shoes 解开鞋带
• undo parcel 解开包裹
• undo rope 解开绳子
• undo good work 毁了好工作
• undo hard work 毁了辛苦的劳动成果

词语用法

v. (动词)

1. undo指将原本捆绑着的东西打开,如鞋带、包裹等,即“松开,解开”,主要强调解开的动作,而不强调解开的状态。引申可指“毁坏,败坏”。
2. undo多用作及物动词,后接名词或代词作宾语。可用于被动结构。
3. undo的过去式是undid,过去分词是undone。

近反义词

【近义词】

• untie 解开
• unfasten 解开
• loosen 松开
• unwrap 打开
• disassemble 解开
• dismantle 拆除
• unbutton 解开……的钮扣...
• disengage 解除
• open 开着的
• unknot 解开 ... 结子...
• unravel 解开
• cancel out 消除
• negate 否定
• cancel 取消
• nullify 使无效
• invalidate 使无效
• reverse 逆转
• work against 对 ... 不利
• unlock 开锁
• doff 脱
• annul 废除
• apart 相距
• take 拿
• take apart 拆卸
• abolish 废除
• wreck 使…失事
• destroy 破坏
• spoil 宠坏
• counterbalance 平衡
• unmake 毁坏