get (your) wrist slapped

a slap on the wrist - a warning or punishment that is not severe.

We got our wrists slapped for leaving the door unlocked all night.

• keep after something
• keep a grip on
• keep a grip on yourself
• keep a lid on
• keep a lid on something
• keep a low profile
• keep an ear out for
• keep an ear out for someone
• keep an ear out for something
• keep an ear to the ground
• keep an eye on
• keep an eye on someone
• keep an eye on something
• keep an eye out
• keep an eye out for
• keep an eye out for someone
• keep an eye out for something
• keep an open mind
• keep a straight face
• keep at
• keep at arm's length
• keep at bay
• keep a tight rein on
• keep a tight rein on someone
• keep a tight rein on something