但你要做好心理准备，因为这通常是漫长而且徒劳无功的过程。

Be forewarned, however, that this can be a slow and often futile process.

youdao

因此，想从他的著述中找出一个最终答案，必然是徒劳无功的。

Hence it is futile to look for synthesis or a final resolution in his writings.

youdao

从马路上一路走进四合院，我总会产生一种深切的徒劳无功的感觉。

Coming through the high driveway into the quadrangle a sense of abysmal futility always came over me.

youdao