unsuccessful

• The search has been quite unsuccessful then ?
  那么打捞是完全没办法了？
• An unsuccessful attack brings cries of "butcher" .
  无成效的进攻易被讥为“屠夫”。
• David was an unsuccessful suicide .
  大卫自杀未遂。
• His return showed that the struggle had been unsuccessful .
  他回来这事表明那场斗争已经失败。
• My early attempts at learning to drive were unsuccessful .
  我曾经几次打算学开车，却都没有学成。
• After hard but unsuccessful fighting, the captain of the ship struck the flag .
  苦战失利后，船长降旗投降。
• The unsuccessful crosses involved two species belonging to different series .
  未成功的杂交组合都属非同族的两个种。
• In the same year general kirsanov was put on the retired list after an unsuccessful review .
  同年基尔沙诺夫将军因为阅兵成绩不好，给免了职。
• No doubt, everyone recognized the unsuccessful man in the very way he slouched along .
  毫无疑问大家凭这个人那副懒懒散散的走路样子，就能看出他是个失意的人。
• The 1920s and 1930s saw repeated unsuccessful attempts at primary-product cartels .
  二十世纪二十年代和三十年代，人们又一再试图组织初级产品的卡特尔，但都没有成功。