Examples of using "серьезные" in a sentence and their english translations:
They are sensible girls.
- You are in serious trouble.
- You're in serious trouble.
Cloning people raises serious ethical problems.
He got injured in a traffic accident.
his vocal support for the French Revolution had got him into deep
But even more important than that is that they have made serious upgrades to their firepower…
I have serious reason to believe that the planet from which the little prince came is the asteroid known as Β 612.