v. cancel, annul, or reverse an action or its effect
v. cause the ruin or downfall of
词态变化
过去分词:undone
过去式:undid
现在分词:undoing
第三人称单数:undoes
常见例句
1
The author of several wonderful books such as "Slander" and "How To Talk To A Liberal (if you must)" are undoubtedly some of America's favorites
2
n an undocumented way to get access to a computer system or the data it contains n an entrance at the rear of a building n a secret or underhand means of access (to a place or a position)
3
a having undesirable or negative qualities s very intense s feeling physical discomfort or pain (`tough' is occasionally used colloquially for `bad') s (of foodstuffs) not in an edible or usable condition a feeling or expressing regret or sorrow or a sense of loss over something done or undone s not capable of being collected s below average in quality or performance s nonstandard s not financially safe or secure s physically unsound or diseased s capable of harming s characterized by wickedness or immorality s reproduced fraudulently s not working properly
4
an urge to do or say something that might be better left undone or unsaid n
5
do away with, cause the destruction or undoing of v
