Ignore what he said—it doesn't mean a thing.

别理睬他说的话，他那都是瞎说。

《牛津词典》

Living like that doesn't mean a thing.

像那样活著一点也没有意义。

youdao

So even if the polls are low today, it doesn't mean a thing.

所以即便今天的民调很低，仍是没有意义的。

youdao

Now, having said that, of course, that doesn't in any way mean that it's a good thing that we die when we do at 50 or 80 or 100.

说明这个观点后，当然那并不意味着,我们在50，80，100岁时死掉,是件幸事。

耶鲁公开课 - 死亡课程节选