Like a thunderstroke from a clear sky.
More Hungarian Proverbs:
The limits is the starlit sky.Hungarian
He is a spoon in all liquids.
Hungarian
Whosoever chooses to deny their past can not expect to find a future.
Hungarian
If it is not one's shirt, one should not put it on.
Hungarian
He who readily believes, will be readily disappointed.
Hungarian
One of them is nineteen, the other is one less than twenty.
Hungarian