This is the 4711th most frequent German word.
vorzubereiten
"Vorzubereiten" means "to prepare in advance."
The reflexive form 'mich vorzubereiten' indicates the action of preparing oneself, specifically for something.
Ich versuche, mich auf die Präsentation vorzubereiten.
I am trying to prepare myself for the presentation.
Here 'vorbereiten' refers to the action of arranging or readying food for the dinner event.
Der Koch begann, das Essen für das Dinner vorzubereiten.
The chef started to prepare the food for the dinner.
This usage highlights the anticipation or mental preparation for a potential forthcoming condition.