| 1. | @ and those who hunt thee down will fail
@追踪你的敌人终将无功而返 |
| 2. | And those who hunt thee down will fail
@追踪你的敌人终将无功而返 |
| 3. | Several days had passed since her futile journey , and tess was afield
自从苔丝上次无功而返以来，已经过去好几天了，她照常在地里干活。 |
| 4. | Yesterday a microphone was lowered down the seperate hole , but that also turned up nothing
昨天人们将一个麦克风深入到另一个洞口调查，依然无功而返。 |
| 5. | Alas , shoppers look in vain for “ no till ” labels on their food ? at least so far
想找到带有“免耕”标志食物的消费者看来要无功而返了，至少目前是这样。 |
| 6. | The trade negotiations went on for three days , but they had to go back to their country empty - handed
此次贸易谈判进行了三天，但他们最后却无功而返地回国了！ |
| 7. | The author tried to explain this phenomenon with all the existing international trade theories but failed
作者试图在国际贸易理论更广泛的范围内来寻找答案,却无功而返。 |
| 8. | We have tried our best to find container space for the art goods but have failed to do so . please give us instructions if airfreight is possible
我方已尽全力为该批工艺品寻找舱位，却无功而返。可否空运，请给予指示。 |
| 9. | Methods or learning . they had been sworn to a period of secrecy through - out which they had agreed not to reveal the secrets of their methods to anyone
Market wizards时，曾想借助已有的名声和良好的个人关系以获答案，最终也无功而返。 |
| 10. | But orbitals are slippery critters that , because of heisenberg ' s uncertainty principle , defy routine efforts to image them completely and accurately
但是由于海森堡测不准原理，这些电子简直像是练过泥鳅功一般，让想要准确捕捉到其轨迹全貌的人无功而返。 |
