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
Alton	['ɔ:ltən]
Benjamin	BEN-jə-min (English), bawn-zha-MEN (French), BEN-yah-meen (German)	English, French, German, Dutch, Danish, Swedish, Norwegian, Biblical
Mahometus	-	Arabic (Latinized)
Bellona	bə-LON-ə (English)	Roman Mythology
Sabien	-	Dutch
Yuina	yoo-ee-nah	Japanese