slow down

verb3

1. •
   To decelerate.

   • When approaching a bend in the road, slow down, and speed up after leaving it.
2. •
   To reduce the velocity, speed, or tempo of something.

   • With a comfortable lead, the football team slowed down the tempo of the game.
3. •
   (figurative) To become less intense, enthusiastic, etc., usually with a positive connotation, implying that one is stripped of exaggerated or unnecessary eagerness.

   • Whoa, slow down there, bucko. Everyone will get a chance. Be patient.