2.he was sent on this important and, in the event, quite fruitless mission.
他被派去完成这个重要,但结果却一所获使命。
3.his fruitless attempts to publish poetry.
他发表诗作徒劳尝试。
4.So far the search for the missing middle-aged woman has been fruitless.
"到目前为止,还没有找到那失踪妇女。"
5.After repeated but fruitless demands for payment,he brought a suit against the debtor.
在再三要求支付而毫结果情况下,他向债务人提出诉讼。
6.Then, after a few fruitless minutes searching for the plughole, you discover that to drain the water away, the entire devicetips rotates around until its disk is tipping gently forwards.