Their search for the plane is fruitless.

他们对飞机的搜寻是毫无结果的。

After repeated but fruitless demands for payment,he brought a suit against the debtor.

在再三要求支付而毫无结果的情况下,他向债务人提出诉讼。

So far the search for the missing middle-aged woman has been fruitless.

"到目前为止,还没有找到失踪的中年妇女。"

The search proved fruitless.

搜寻没有结果。

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.

再转过来，你看到了吧，躺进去放上水，你就可以洗一泡泡浴了。