How To Use Grind away In A Sentence

• The man, a convict who has escaped from a prison ship, scares Pip into stealing him some food and a file to grind away his leg shackle.
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• To this day, it continues to grind away - a giant spillway steadily funneling water, mud, and whitewater rafters toward the Grand Canyon, which lies 315 miles south of the park.
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• When carving the background areas, one must be careful not to grind away too much white stone.
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