undoing
n. 祸根；失败的原因
sp. 动词undo的现在分词形式.
近义词：loss，downfall，ruin，ruination，collapse，destruction，humiliation，shame，defeat，unfastening，untying，
英英释义
Noun
- an act that makes a previous act of no effect (as if not done)
- loosening the ties that fasten something;
"the tying of bow ties is an art; the untying is easy"
例句
用作名词(n.)
- Greed was his undoing.贪婪就是坠落
- He was not to know then that this was to prove his undoing.当时他并不知道，这件事为他种下了祸根。
- In the end his ambition was his undoing.到最后他的野心是他完蛋的原因。
- Stress can be the undoing of so many fine players.紧张可能是这许多优秀选手失败的原因。
- That proved to be my undoing, for I soon got back to my old bad habit of dozing off in front of the screen.这证明了我的失败，因为我不久就回到电视屏幕前打瞌睡的坏习惯去了。