fruitless [ˈfrutlɪs]

例句:

• Mere residuary substances of a dry and fruitless life.
  来自H. Bushnell
• Attempts to reach a mutually agreed solution had been fruitless.
  试图达成一个双方都赞成的解决方案的努力毫无结果。
  
• The amount of likely fruitless speculations is downright depressing.
  来自SA
• After a fruitless morning sitting at his desk he had given up.
  他在书桌前徒劳地坐了一上午之后便放弃了。
  
• It was a fruitless search.
  搜寻工作毫无结果。
  
• Pointless, fruitless, hollow blather from unelectable Ed.
  来自THETIMES