på allvar in inglese:

It's not that I seriously like him. I just find him very attractive.

Oh, sure, I studied English in my school days. But it wasn't until two or three years ago that I really started taking it seriously.

Spenser's sarcastic and joking remarks are often misinterpreted as signs of ambivalence and often taken too seriously.

Seriously though, episode 21 made me almost cry while laughing.

Oh! Seriously?

You can't seriously expect that they won't recognize you in that disguise. That lopsided, dime store moustache is a dead giveaway!

The shirt she apparently seriously thought suited me I turned down and decided to accept a light blue polo shirt.

So, players were often seriously injured and sometimes even killed in these rough games.

You're not seriously expecting me to believe that? Smoking can seriously damage your health.

Of course he thought it was a joke and let it slide with a "hm?" but he was seriously annoyed. I mean, just don't say things like that even as a joke!

Without education, we are in a horrible and deadly danger of taking educated people seriously.

Because the new trainee did things sluggishly, he was told that he'd be fired if he didn't start taking his job seriously.

The new trendy way to drink vodka is to pour it directly into your eye socket. However, doing so could seriously damage your vision.

The town water supply was seriously obstructed by heavy rainfalls.

He has a great storehouse of knowledge about historical details but I seriously doubt that's of any use in life.