我很遗憾地说，猫咪和 Quangle-Wangle 蹑手蹑脚地爬过去，咬掉了这六十五只鹦鹉的所有尾羽。

I am sorry to say that the Pussy-cat and the Quangle-Wangle crept softly and bit off the tail-feathers of all the sixty-five parrots.

youdao

我很遗憾地说，你的作品缺乏变化。

I'm sorry to say that your writing lacks variety.

youdao

我很遗憾地说我没给你充分的帮助。

I regret to say I haven't given you enough help.

youdao

I'm sorry to say that this is the wrong answer.

我很遗憾地说这是。

麻省理工公开课 - 热力学与动力学课程节选