hold your horses
Wait a moment or be patient (often because you are moving too quickly or thoughtlessly). Whoa, hold your horses, kids. We're going to sing before we start eating cake. I know you're excited to see the prototype, but you all just need to hold your horses while we get set up. Hold your horses, OK? Don't accuse her of anything until you've got solid proof.
Farlex Dictionary of Idioms. © 2024 Farlex, Inc, all rights reserved.