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
Dudu	-	Portuguese
LorÁNd	-	Hungarian
Frosina	-	Macedonian
Zara (1)	ZAHR-ə	English (Modern)
Kamil (1)	-	Arabic
Hasan	-	Arabic, Turkish, Persian, Urdu, Punjabi, Bengali, Indonesian