get hopes up

مشتاق چیزی یا اتفاقی بودن

To become enthusiastic about something that is not yet guaranteed to happen. I try to set low expectations and not to get my hopes up.

امید واهی داشتن

To become excited at the prospect of something happening. Often used in the negative. Sadie has gotten her hopes up about going to the carnival tonight, so I think she'll be disappointed if we don't go.

Don't get you hopes up
به دلت صابون نزن