be (as) pure as the driven snow

To be virtuous and/or chaste. The bride looked as pure as the driven snow in her gown. Kate would never cheat on an exam—she's pure as the driven snow.

Common Names:

Name	Pronounced	Usage
Barrfind	-	Irish
Bethania	-	Spanish, Biblical Latin, Biblical Greek
Mechthild	MEKHT-hilt	German
Potter	['pɔtə]
Anzhelina	-	Russian
Itsuki	ee-tsoo-kee	Japanese