pull in the reins

To begin doing something more carefully or cautiously; to regain or tighten control over someone or something. This thesis you're planning is becoming wildly unfocused—I think you should pull in the reins a bit! I wish those parents would pull in the reins on their kids—the little devils are tearing the place apart!

Common Names:

Name	Pronounced	Usage
Cho	cho:	Japanese (Rare)
Shakti	-	Hinduism, Indian, Hindi
Margarid	-	Armenian
Chijindum	-	Western African, Igbo
Vaughn	[van]
&Aelig;&Thorn;Elbeorht	-	Anglo-Saxon