slow down: 使慢下来
But some experts think construction may slow down.
但是一些专家认为铁路建设会放慢速度。

make a scene: 大吵大闹【这里指引起了别人的注意】
Let's not make a scene.
我们不要大闹一场。
Why did you make a scene in the restaurant?
你为什么在餐馆里大吵大闹？

act like: 举止像，表现得像
Act like today is already an awesome day.
让自己表现的像是今天很恐怖。
You can tell she'll be in good hands because my parents have taught me to act like a gentleman.
您放心，她会得到很好的照顾的，因为我的父母教导我行为举止要像个绅士。

do time: 服刑
You could have her do time here.
如果你也可以让她在这服刑。
He's just a kid! He shouldn't have to do time!
他还小，不应该坐牢。