This is the 13148th most frequent Spanish word.
prepararse
To get ready or prepare oneself.
In this sentence, 'prepararse' is used reflexively to indicate that the subject is preparing herself for an upcoming event.
Ella se está preparando para la competencia.
She is preparing herself for the competition.
Here, 'prepararse' is used in an impersonal statement to suggest self-preparation as a general advice.
Es importante prepararse antes de un examen.
It is important to prepare oneself before an exam.
In this sentence, 'prepararse' is in the past tense to indicate a completed action of self-preparation.