unfounded [ʌnˈfaʊndɪd]

例句:

• However, these fears proved unfounded.
  然而，事实证明这些恐惧纯属多余。
  
• The allegations were totally unfounded.
  这些指控完全没有事实根据。
  
• There were unfounded rumours of alcohol abuse.
  一些毫无根据的酗酒谣言在流传。
  
• Western scepticism over Japanese apologies is not entirely unfounded.
  来自THETIMES
• Safety fears turned out to be largely unfounded.
  来自WSJ
• So to call this a political arrest is really unfounded.
  来自VOA