mróz in English:

A thick layer of frost formed on the pane.

There was a frost yesterday.

The plants suffered damage from the frost.

We might have frost next week.

The crop suffered serious damage as a consequence of the early frost.

Frost touched the flower.

Car windows accumulate frost on winter mornings.

The frost rendered the orange crop worthless.

Frost is frozen dew.

In the fall, when the days grew shorter and the nights colder, she watched the first frost turn the leaves to bright yellow and orange and red.

Mr Frost is eligible for the post.

There were ten degrees of frost

a thin layer of ice which covers everything in the morning – “I had to spend 15 minutes scraping the frost off my car windows this morning”

My parents were not afraid of frost either.

Listen, you must control yourself. It's just no good to frost your boss. Unless, of course, you have another job in sight.

it's freezing cold outside

Nowadays, tt is not freezing cold in the winter.