sand off
Upper Intermediate (B2)neutral
To use sandpaper to rub away a layer or rough part of something.
"She sanded off all the old varnish before applying a fresh coat to the table."
Hear it in context

I Cycled 2,000km Across Japan (It Almost Broke Me)
Abroad in Japan · 161:22
bizarre chap is wiping sand off his legs.

I Cycled 2,000km Across Japan (It Almost Broke Me)
Abroad in Japan · 161:33
Uh, and again, he's still wiping sand off his feet.

How To Find The Meaning of Your Life | Arthur Brooks
André Duqum · 29:14
just take away the just sand off all the rough edges.

Jesse Lingard Reveals The Problem With Man United Today & Why He Moved To Nottingham Forest | E214
The Diary Of A CEO · 60:23
like say didn't really get a sand off we've been there that long

Roald Dahl: Genius and Bigot
The Free Press · 12:12
sand off the edges and do we have a kind of double standard there where,