?
查询技巧:
1、输入单个单词准确查询。
2、使用%模糊查询,匹配任意长度字符:
   %a    以a结尾的单词;
   ab%    以ab开头的单词;
   %ac%    含有ac的单词。
3、使用_模糊查询,匹配单个任意字符:
   _a_    三位且a在中间的单词;
   _ad    三位且ad结尾的单词;
   ac_    三位且ac开头的单词;
   _a    两位且a结尾的单词;
   a_    两位且a开头的单词。
4、带连字符-的单词,需含-字符才能模糊查询,如well-know需输入 well-% 。
5、在手机键盘上,如果g上有%和v上有_,则可长按输入。

undoing
CET4

英 / ʌnˈduːɪŋ /
美 / ʌnˈduːɪŋ /
n. 失败的原因
v. “undo”的现在分词

1. That one mistake was his undoing.
他一失足即成千古恨。
2. His lack of experience may prove to be his undoing.
缺乏经验可能就是他失败的原因。
3. By stopping smoking you are undoing most of the damage smoking has caused.
通过戒烟,你就是在消除吸烟所致的大多数危害。
4. But alcohol was to be his undoing.
但酒精注定是他的祸根。
5. Now the bad times may be his undoing.
现在坏时代可能被他终止。