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
Abraham	['eibrəhæm]
Hovik	-	Armenian
Leimomi	-	Hawaiian
Small	[smɔ:l]
Thecla	-	Dutch (Rare), Late Greek (Latinized)
Chidike	-	Western African, Igbo