allvarlig in inglese:

Get serious.

A new study suggests that hospital records for patients older than 65 are often incorrect, which may lead to serious treatment errors.

I have often observed how little young ladies are interested by books of a serious stamp, though written solely for their benefit. It amazes me, I confess; for, certainly, there can be nothing so advantageous to them as instruction.

Just one look at the amusing dispenser, colorful animal tiles, two-sided bingo cards, and transparent monkey chips and you know you're in for some serious fun.

The current rate is about one airplane crash every two weeks, measuring all serious accidents to all types of transport jets.

Fear of serious injury cannot alone justify suppression of free speech and assembly. Men feared witches and burnt women. It is the function of speech to free men from the bondage of irrational fears.

Managing your stocks with Big Wisdom shows that you are serious about investing!

I know, said Al-Sayib, getting a new bottle of Fanta. "This is serious business. So why'd you call?"

Gestural language had, however, serious limitations, since it could not be used in the dark or at distance.

The outcome of any serious research can only be to make two questions grow where only one grew before.

My companions were watching me in silence and, unlike other times when my wonder had made them laugh, they remained serious.

Hey, we're trying to have a serious discussion here so I'd appreciate it if you wouldn't butt in so irresponsibly.

It is not necessary for the public to know whether I am joking or whether I am serious, just as it is not necessary for me to know it myself.

How can one be serious with the world when the world itself is so ridiculous!

You're not a serious mathematician unless you crumple up a piece of paper in frustration every twenty minutes, look off into space, and appear to be questioning your very existence.