我敲了门，可是没有回应。

I knocked on the door but there was no response.

《牛津词典》

守门员一个鱼跃向球扑去，可是没有扑到。

The goalie dived for the ball, but missed it.

《牛津词典》

我挥了挥手，可是他们没有注意到。

I waved but they took no notice.

youdao

And that's not to say that other companies couldn't do that, but they didn't.

并不是说别的公司,没能力这样做，可是他们没有这样做。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

You know it. I've never walked with kings though so I don't have to worry about losing the common touch because I'm not walking with kings.

哎，可是我从来都没有和王侯一起散过步，所以我,也没有必要担心露出谄媚之言,因为我没有和王侯一起散步。

耶鲁公开课 - 金融市场课程节选

And I'm no scientist and I'm no specialist in sort of empirical matters, and believe me, I'm no authority on quantum mechanics, our best theory of fundamental physics.

我不是科学家,也不是实证方面的专家,相信我,关于量子力学,我并没有发言权,那可是基础物理中最经典的理论

耶鲁公开课 - 死亡课程节选