keep one's nose clean

Stay out of trouble. For example, Dad told Brian to keep his nose clean from now on or he'd cut off his allowance. [Colloquial; late 1800s]

Name	Pronounced	Usage
Gautselin	-	Ancient Germanic
Noureddine	-	Arabic
Yoni	-	Hebrew
Muirgheal	-	Irish
Dominique	do-mee-NEEK	French
Kunibert	KOO-nee-bert (German)	German, Ancient Germanic