我尝试了多次，都徒劳无功。

I made many attempts, all in vain.

youdao

我徒劳地尝试着抬了抬头。

I tried unsuccessfully to raise my head.

youdao

一般来说，他们已然尝试过所有经过验证的疗法，却徒劳无功。

Usually, they have tried all proven therapies, to no avail.

youdao

因此，任何建立一个通用工具集的尝试被认为是徒劳的。

Therefore any attempt at a universal tool set also proves futile.

youdao

他徒劳地尝试，终于失去了信心。

He had tried vainly and lost his heart at last.

youdao

我徒劳地尝试用我的灵魂…

With all my soul I've tried in vain.

youdao

我徒劳地尝试用我的灵魂…

With all my soul I've tried in vain.

youdao