to be sick
No tengo tiempo para estar enfermo.
I don't have time to be sick.
Odio estar enfermo porque me aburre quedarme en cama sin hacer nada.
I hate being sick because I get bored staying in bed doing nothing.
Tom parece estar enfermo.
Tom seems to be ill.
Ese estudiante a veces finge estar enfermo.
That student sometimes pretends to be sick.
He can't be sick.
Nunca pensé que podía estar enfermo.
I never thought I could be sick.
Being sick is harmful.
Nunca se me ocurrió que él podía estar enfermo.
It never occurred to me that he could be sick.
No pude participar en el encuentro por estar enfermo.
I couldn't participate in the meeting because I was sick.