He brushes the snow off his windows.

他把窗户上的雪扫掉。

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Fox knocked some snow off his window and dipped a rag into a bucket of sudsy water. "I think it's because the snow doesn't stick to Windows when they are clean," said Fox.

狐狸先生扫落了窗户上的雪，又把抹布放到装满肥皂水里的桶里洗了洗，才说道，“我想，这可能是因为窗子擦干净后，雪就不会再粘在上面了吧。”

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The sun reflected off the snow-covered mountains.

阳光从被雪覆盖的山峦反射回来。

《柯林斯英汉双解大词典》

Someone would have to clean the snow off the sidewalk, either him or his father.

VOA: special.2009.03.07

Bob Doughty and Faith Lapidus tell about some of the winning American athletes on and off the ice and snow.

VOA: special.2010.02.26

While snow has brought smiles to the faces of children who have dusted off their sleds for the new season,for others, this cold snap just days before the Christmas break, has brought frustration.

VOA: standard.2009.12.21

If he could clear snow off New York's streets, he could be mayor for life.

WSJ: New York Jets Back Up Their Talk

Further on, I find 75-year-old Yae Nomura and her husband shovelling snow off their roof.

BBC: Tackling northern Japan's record snow

Commuter rail service remains suspended for the day, however, as crews cleared snow off the tracks.

WSJ: Northeast Digging Out After Snowstorm