mistakenly       
adverb uk/mɪˈsteɪ.kən.li/ us/mɪˈsteɪ.kən.li/
 错误地,曲解地,被误解地
wrongly or by mistake
  She mistakenly believed that she could get away with not paying her taxes. 她错误地以为不缴税仍可以逍遥法外。 
 He mistakenly said the city has a 31 percent unemployment rate. 他错误地说该市的失业率为 31%。 
 See: mistaken
 - More examples
 - He mistakenly scheduled an interview for the same time as the game.
 - My debit card was mistakenly charged twice for a large online order.
 - You may mistakenly think that this movie is appropriate for young children.