That one mistake was his undoing.
他一失足即成千古恨。
1.毁灭,败坏,破落;祸根
2.复旧,取消
3.解开
1.“undo”的现在分词
1.The present participle of undo
1.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。
2.That turned out to be ABC's undoing, as the network eventually plummeted in ratings due to lack of new programming.
节目最终因缺乏创新导致收视率暴跌而被ABC撤销。
3.Luring the unwary from his path, turning the willful into a weapon, and leading the fool to embrace his own undoing.
这会引诱粗心的人们偏离道路，把任性转化为一种武器，导致愚人奔向自身的毁灭。
4.For Mayola Williams, the widow of a man whose trust in corporate America proved to be his undoing, her decade-long trial is now at an end.
玛约拉·威廉姆斯，她的丈夫因为对美国企业的信任而命丧黄泉，对她来说，长达十年的审判现在结束了。
5.His final undoing was an interview he gave on returning from his first visit to Afghanistan.
结束对阿富汗的首次访问后的一次采访成为了他最终的祸根。
6.And as she spoke she was undoing a small parcel, which Fanny had observed in her hand when they met.
她一边说一边解开一个小包，她们在门外相遇的时候，范妮就看见她手里拿着这个小包。
7.Undoing Gender addresses the regulation of sexuality and gender that takes place in psychology, aesthetics, and social policy.
撤消性别谈到了性和性别是发生在心理学，美学的地方法规，政策和社会政策。
8.The harness can be removed simply by undoing the chest strap and Velcro straps around the legs like a jacket.
吊带可以很容易脱掉，解开胸带和腿部的夹克状搭扣即可。
9.As I've said many times, it's a shame that the ECB's attempt to create rules for financial stability has been the undoing of the euro.
就好像我说过很多遍，欧洲中央银行应该对自己感到害臊，因为它试图为了金融稳定所创造的规则已经使得欧元遭到毁灭的重创。
10.This puts oxidative stress on the brain and risks undoing all the good work those antioxidants have been up to.
否则将会给大脑带来氧化的压力，还要承受那些抗氧化剂要处理的工作没能十全十美的给予完成的危险。