Their attempts to negotiate a deal were unfruitful.

他们谈判达成协议的尝试是无成效的。

The project was deemed unfruitful and was subsequently abandoned.

该项目被认为是无成效的，因此被放弃了。

The meeting was unfruitful and did not lead to any new ideas.

这次会议是无成效的，没有产生任何新想法。

His efforts to fix the car were unfruitful and he had to call a mechanic.

他修车的努力是无成效的，最后不得不叫了修理工。

The research turned out to be unfruitful, yielding no significant results.

这项研究结果是无成效的，没有产生重要的结果。

They have been unfruitful in their efforts.

他们都徒劳而归.

For if I pray in a tongue, my spirit prays, but my mind is unfruitful.

我若用方言祷告 、 我的灵祷告.我的悟性没有果效.

After a period of unfruitful time waiting for a kidney, the poor girl died.

该女生在医院里等待肾脏捐赠无果后死亡。

And have no fellowship with the unfruitful works of darkness, but rather reprove them.

那暗昧无益的事，不要与人同行，倒要责备行这事的人。

I prepared for an unfruitful year with Mr. Fleagle and for a long time was not disappointed.

我作好准备，打算在弗利格尔先生的班上一无所获地混上一年，不少日子过去了，还真不出所料。