ZWOLNIĆ in English:

They will slow down gradually or die out suddenly.

Do people have to ask you to slow down when you drive?

You're driving too fast, please slow down.

The train began to slow down.

The doctor has told him to slow down or he'll have a heart attack.

You are driving too fast, please slow down.

If you don't slow down, I doubt we can get there in one piece.

We should slow down the production.

Please slow down.

Whatever you are doing, just try to slow down and enjoy it.

You're driving too fast, slow down.

It's time to slow down and relax.