give (one's) mind to (something)
To give one's complete attention, determination, and effort toward some undertaking. You can still manage a B average if you give your mind to acing the final exam. I know we can win this game, but only if we all give our minds to it.
give your ˈmind to something
think hard about something: He hadn’t really been giving his mind to the problem.I’m sure you’ll learn it if you give your mind to it.