他们以不紧不慢的速度出发了。

They set off at a steady pace.

《牛津词典》

雨不紧不慢地下着。

The rain fell steadily.

《牛津词典》

鲨鱼并不慢了。

The shark was not slow.

youdao

NO So that the more complete answer to the question is that no, we're never going to be able to observe that because of the uncertainty principle it's not possible to observe a velocity that's this slow for a macroscopic object.

所以这个问题的完整答案是，由于不确定性原理,我们不可能测量到这么慢的,宏观物体的速度，希望这个解释。

麻省理工公开课 - 化学原理课程节选

And they walk significantly slower toward the elevator, not knowing that they were primed with old words.

走向电梯的速度明显慢，虽然不知道自己被与“老“相关的字影射过。

哈佛公开课 - 幸福课课程节选

I know that some felt the pace of the arguments was a little slow, but I felt that this was generally necessary, not only for the unphilosophy-savvy population, but also to cover all points."

我知道有人认为论证过程有点慢，但我感觉这样做总体上讲是有必要的，不只是为了不懂哲学的同学们，也是为了能覆盖所有推理内容“

耶鲁公开课 - 死亡课程节选