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.

純粋無垢, 潔白

to be morally pure and innocent

:
She claims to be as pure as the driven snow, but I've heard stories.
彼女は純粋無垢だと主張しているが、私は話を聞いている。
Despite his rough exterior, his intentions were always as pure as the driven snow.
彼の荒々しい外見にもかかわらず、彼の意図は常に純粋無垢だった。