杰克想，自己和妈妈正需要好运，于是他用牛换来了魔力豆。

Jack thought that he and his mother needed some good luck, so he gave the cow to the man in return for the magic beans.

youdao

我即便想写也困难重重——在我打字输入本文时，我电脑的中文输入法为“bi”的读音给出了57个不同的对应汉字，但是跟在“牛”后面那个并不在其中。

I'd be hard-put to write it even if I wanted to - as I type this, my computer's Chinese input program suggests 57 different characters with the pronunciation bi - that of the cow is not among them.

youdao

然而，像牛子一样，他们也想杀，想摧毁。

But, like Buff, they wanted to kill and destroy.

youdao

Here I got 3 kg and I got 2 kg and I'm pushing with 10 Newtons and I want to know what happens.

一个物体 3 千克,另一个 2 千克,现在我用 10 牛的力推它,我想知道接下来会怎样

耶鲁公开课 - 基础物理课程节选

So if you want a real milk to drink, go to the cow and tell, "Give me fresh milk."

所以，如果你想喝真正的牛奶了，就去跟牛说，“给我点儿新鲜牛奶吧。”

问上门厨师 - SpeakingMax英语口语达人