vitiating

英 [ˈvɪʃieɪtɪŋ]

美 [ˈvɪʃieɪtɪŋ]

v.  使失效; 削弱效用
vitiate的现在分词

柯林斯词典

• VERB 削弱…的效能;损害;使失效;使变质
  If somethingis vitiated, its effectiveness is spoiled or weakened.
  1. Strategic policy during the War was vitiated because of a sharp division between 'easterners' and 'westerners'...
     由于“东方人”和“西方人”之间存在巨大的分歧，战争期间的战略方针没有得到切实的执行。
  2. But this does not vitiate his scholarship.
     但这不会威胁到他的奖学金。