keep (one's) head below the parapet

To hide or remain inconspicuous in an attempt to avoid trouble or danger. I wouldn't say anything right now—just keep your head below the parapet for the time being.

Common Names:

Name	Pronounced	Usage
Mikey	MIE-kee	English
Jannick	-	Danish
Neta	-	Hebrew
Wall	[wɔ:l]
Ranjit	-	Indian, Hindi, Marathi, Bengali
Deepa	-	Indian, Hindi, Marathi, Punjabi, Bengali, Malayalam, Tamil