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
Antonie (1)	-	Czech
Fri&Eth;&Thorn;JÓFr	-	Ancient Scandinavian
Bettina (2)	bet-TEE-nah	Italian
Ackroyd	['ækrɔid]
Violet	VIE-lət, VIE-ə-lət	English
Zed	ZED	English