在房上的，不要下来拿家里的东西。

Let him which is on the housetop not come down to take any thing out of his house.

youdao

在房上的，不要下来，也不要进去拿家里的东西。

And let him that is on the housetop not go down into the house, neither enter therein, to take any thing out of his house

youdao

不要慢下来。

Don't slow down.

youdao

And the point of this is so that you don't come to class heads down the whole time thinking everything I say is absolutely worthy of being written down.

这样做的意义在于你不必,从头到尾去考虑要不要,把我所说的都记录下来。

哈佛公开课 - 计算机科学课程节选

Don't write that down.

这句不要写下来。

耶鲁公开课 - 心理学导论课程节选