slow (someone/something) down/up
phrasal verb with slow verb [ I or T ] uk/sləʊ/ us/sloʊ/
B2 （使）减慢速度，（使）慢下来
to become slower, or to make someone or something become slower
Slow down, you two, you're walking too fast! 慢一点，你们两个，你们走得太快了！
If I run with Christina she tends to slow me down. 如果我和克里斯蒂娜一起跑，她会拖慢我的速度。
We slowed up when we saw the police. 我们看见警察时，放慢了速度。
- More examples
- You drive too fast - just slow down a bit!
- You'd better slow down, that car was flashing its lights at you.
- You should slow down as you approach the junction.
- Could you slow down a bit - I can't keep pace with you.
- Drugs can slow down the progression of the disease.