唉，你知道，这很难解释。

Well, you know, it's difficult to explain.

《牛津词典》

你怎么知道这个解释错了？

How do you know that this explanation is wrong?

《柯林斯英汉双解大词典》

你知道标准的解释：保持适度的饮食，经常锻炼，等等。

You know the standard explanations: keeping a moderate diet, engaging in regular exercise, etc.

youdao

We have to account for that in some way because we know that they don't have identical average valence electron energies.

我们需要从一些方面来解释一下,因为我们都知道,他们没有相同的,平均价电子能。

麻省理工公开课 - 固态化学导论课程节选

And so he explains to the master: I knew thou was't an hard man which reapest where thou sowedst not and gatherest where thou strawest not.

他对主人解释：,我知道你不是个努力的人,你收获不是你播种的。

耶鲁公开课 - 弥尔顿课程节选

I'm defending, I'm defending the physicalist by saying, "Don't blame us. We don't know how to explain it yet."

说我在辩护,当我给物理主义者辩护时我会说,别怪我们,我们还不知道怎么解释呢

耶鲁公开课 - 死亡课程节选