I'm afraid of
Tengo miedo de cometer un error.
I'm afraid of making a mistake.
Tengo miedo de hacerlo yo solo.
I'm afraid to do it by myself.
Tengo miedo de no acabar eso a tiempo.
I'm afraid I won't finish that in time.
I'm not afraid of getting older.
Tengo miedo de que se haya perdido.
I'm afraid it's lost.
Tengo miedo de andar sola por la calle.
I am afraid to walk alone on the street.
— La cinta blanca (2009)
I'm afraid of that.
I'm afraid to go alone.