is wrong, not bad
Hay que admitir que esta oración simplemente está mal formada.
It must be admitted that this sentence is simply poorly formed.
Y a menudo, está mal visto que alguien intente hacer más de una cosa.
And it's often frowned upon for someone to try to do more than one thing.
— TÁR (2022)
Parece que algo está mal con mi reloj.
Something seems to be wrong with my watch.
Usted sabe que está mal, mi príncipe.
You know that's wrong, my prince.
— Bāhubali: The Beginning (2015)
Iba a ir Carver, pero está mal del estómago.
Carver was going to go, but he has a stomach ache.
— Bullet Train (2022)
Pero lo que está pasando ahora tampoco está mal, ¿no?
But what's happening now isn't bad either, is it?
— Do You Thing (2001)
Mary está mal de la cabeza.
Mary is out of her mind.