...I am not the one to undermine the propriety of Senor Don Quixote, for it strikes me that among his many virtues the one that is pre-eminent is that of modesty...
Miguel de Cervantes 「The History of Don Quixote, Volume II., Complete」
...For a character such as this to meetwith harsh treatment, much less cruelty,was, if not to ruin it completely, at leastto undermine all confidence...
Major Gambier-Parry 「'Murphy'」
...Of course experience, in some ways,tended to undermine confidence...
Major Gambier-Parry 「'Murphy'」
...The Water-rats, or Voles, eat fishes, frogs, and toads, besides otherfood, and do infinite mischief to banks and dams, which they undermine...
R. Lee 「Anecdotes of the Habits and Instinct of Animals」
...But I kept him in the weather bureau right along, to undermine his reputation...
Mark Twain (Samuel Clemens) 「A Connecticut Yankee in King Arthur’s Court, Complete」
便利!手書き漢字入力検索