put/set your mind to to decide you are going to do something and to put a lot of effort into doing it: If you'd just put your mind to it, I'm sure you could do it. https://dictionary. cambridge. org/
To make your final decision. تصمیم خود را گرفتن - تصمیم خود را نهایی کردن - عزم خود را جزم کردن.
