Usages of enfermo
Estoy enfermo desde ayer, así que me quedo en cama.
I have been sick since yesterday, so I am staying in bed.
Si sigo enfermo, voy a llamar al doctor para mejorar pronto.
If I remain sick, I am going to call the doctor to get better soon.
Estoy enfermo desde el lunes.
I have been sick since Monday.
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