?
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。

undermined
CET4

v. 暗地里破坏;挖……的下面(undermine 的过去分词)

1. This hypothesis is undermined by the fact that the states with the strictest environmental regulations also have the highest economic growth.
环境法规最严格的州也是经济增长最高的州,这一事实削弱了这一假设。
2. In modern companies and democracies, power is increasingly diffused and traditional hierarchies are being undermined, making soft power ever more important.
在现代企业和民主国家,权力正日益分散,传统的等级制度正被削弱,这使得软实力变得更加重要。
3. This crisis has undermined his position.
这场危机已损害了他的地位。
4. The new contracts have undermined the confidence of employees.
新的合同动摇了雇员们的信心。
5. She undermined him and destroyed his confidence in his own talent.
她动摇了他的地位,摧毁了他对自己才能的信心。