Using a sharp knife, slice dough into eight pieces.

用一把锋利的刀，切成8份。

youdao

Using a sharp knife, cut away the pith and peel from both fruits.

用一把锋利的刀削去两种水果的外皮和中果皮。

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Carefully tip the marshmallow out on to the prepared board and cut into squares, using a sharp knife.

小心地倒出棉花糖，放在准备好的台面上，用刀切成块状。

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To prepare the beets, peel them and shave them on a mandoline, or slice them into very thin rounds using a knife with a fine, sharp blade.

WSJ: Sean Brock's Beet, Strawberry and Sorrel Salad | Slow Food Fast

The team had followed my advice on adding sound, and on using an exacto knife to cut the paper to give a very sharp look of light.

CNN: Interview with Nelson Shin