我当然很抱歉，但我怎么知道你在抽屉里呢？

Of course I'm very sorry, but how could I know you were in the drawer?

youdao

但我怎么知道你有这方面的天性？

But how so I know that you have these instincts?

youdao

但我怎么知道这样可行呢？

But how do I know this is feasible?

youdao

But I'm sure you can easily see how these styrofoam balls could, in fact, be a mono layer of gold nuclei.

这个实验怎么工作的,我们先来做些计算，但我相信你们都已经。

麻省理工公开课 - 化学原理课程节选

up here if you want beer flavor this might be Guinness, which I can't even spell, but you know what I mean.

在这边的啤酒口味是,吉尼斯,我甚至不知道怎么拼,但你们知道我说的是什么

耶鲁公开课 - 博弈论课程节选

I don't know how you think of life insurance salespeople, but they have been pillars of the community.

我不知道你们怎么看待寿险推销员,但他们已然成为了社区的支柱

耶鲁公开课 - 金融市场课程节选