I did not realize that it was such a serious problem.
I would like to stress that this is a very serious problem.
At that point we recognised there was a serious problem.
We felt it was ridiculous but here it was a serious problem.
In my view, we are now facing a very serious problem.
If someone is clearly having a serious problem, call emergency services.
It's a serious problem that has gotten her pretty worked up.
Es ist ein ernstes Problem, das sie ziemlich aufgewühlt hat.
What may sound curious is intended to draw attention to a serious problem.
Was kurios klingen mag, soll auf ein ernstes Problem aufmerksam machen.
Peter, we have a serious problem we need to discuss.
Peter, wir müssen uns über ein ernstes Problem unterhalten.
However, nicotine addiction is a serious problem that cannot be easily solved.
Nikotinsucht ist jedoch ein ernstes Problem, das nicht leicht zu lösen ist.
It is a serious problem which has to be solved.
Das ist ein ernsthaftes Problem, das es zu lösen gilt.
Overweight is a serious problem that should not be ignored.
Übergewicht ist ein ernstes Problem, das nicht ignoriert werden sollte.
The overloading temperature of the engine indicated a serious problem.
Die überhöhte Temperatur des Motors deutete auf ein ernsthaftes Problem hin.