be as pure as the driven snow

US /bi æz pjʊr æz ðə ˈdrɪvən snoʊ/
UK /bi æz pjʊr æz ðə ˈdrɪvən snoʊ/
"be as pure as the driven snow" picture
1.

pur comme neige, innocent comme un agneau

to be morally pure and innocent

:
She claims to be as pure as the driven snow, but I've heard stories.
Elle prétend être pure comme neige, mais j'ai entendu des histoires.
Despite his rough exterior, his intentions were always as pure as the driven snow.
Malgré son apparence rude, ses intentions étaient toujours pures comme neige.