There was a sign telling motorists to slow down.

有一个让汽车司机减速的指示牌。

《牛津词典》

Those speed bumps that force you to slow down.

那些减速带迫使你减速。

youdao

It is important to slow down, rest, and eat healthily.

放慢节奏、适当休息和健康饮食是很重要的。

youdao

That was the year when the economy of the United States began to slow down.

VOA: special.2010.06.13

So there's going to be lots of times in this class when we get to play games, we get to have classroom discussions and so on, but there's going to be some times when we have to slow down and do some work, and the next twenty minutes are going to be that.

我们在课上会经常,通过游戏学习博弈,我们还会举行随堂讨论等等,但是我们也需要花费一些时间,来慢慢研究一些问题,接下来的二十多分钟就是这样的

耶鲁公开课 - 博弈论课程节选

I feel like I can, you know, I can decide if I need to run. I can decide if I can slow down,

我感觉我能决定我是否需要小跑。我能决定我是否需要放慢速度，

纽约的交通手段 - SpeakingMax英语口语达人

OnStar can force a moving vehicle to slow down to idle by electronically disconnecting the accelerator.

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Some coaches might just tell one to speed up and the other to slow down.

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"Ultimately, such behaviour is liable to slow down cross-border business and harm EU consumers, " it said.

BBC: EU investigation to probe Mastercard fees