be as pure as the driven snow
US /bi æz pjʊr æz ðə ˈdrɪvən snoʊ/
UK /bi æz pjʊr æz ðə ˈdrɪvən snoʊ/
1.
to be morally pure and innocent
:
•
She claims to be as pure as the driven snow, but I've heard stories.
•
Despite his rough exterior, his intentions were always as pure as the driven snow.