It should be sharp and not tempered so it will break.

应该把它磨得很锋利，不要回火锻造，免得它会断裂。

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Any sharp corners, especially those facing you, should be covered with decorative photos or green, leafy plants.

任何尖角的地方，尤其是对着你的，应该用装饰的照片或绿色的大叶子植物盖上。

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If a saw blade is not as sharp as it ideally should be, the tool and the woodworker will have to work harder to complete the desired task.

如果锯条没有很锋利的话，木工就要花费更大的力气去完成工作。

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On a progressive scan-capable television, images from the DVD-9000 should be incredibly sharp.

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The ensuing rally should be pretty sharp, i.e. 20%-30%.

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An array of field-emission devices, however, will take their exposures simultaneously, so the resulting image should always be pin sharp.

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