draw in (one's) horns

To act more cautiously than one did before. I just got this quarter's budget report, and we definitely need to draw in our horns and spend less going forward.

Common Names:

Name	Pronounced	Usage
Nabuchodonosor	-	Biblical Latin
Milton	MIL-tən	English
Erno	ER-no	Finnish
Amenhotep	ah-mən-HO-tep (English)	Ancient Egyptian
KlĀRa	-	Latvian
Mervyn	MUR-vin (English)	Welsh, English