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- 她指甲鲜红。
Her finger-nails were blood-red.
- 她从指甲里剔掉污垢。
She cleaned the dirt from her finger-nails.
- 你为什么老是咬指甲？
Why are you always biting your nails?
- 她咬指甲（一直）咬到肉。
She has bitten her nails (down) to the quick.
- 别再咬指甲了！
Stop biting your nails!
- 她正在神经质地咬指甲。
She was gnawing her nails nervously.
- 我丈夫不允许我染指甲。
My husband doesn't allow me to paint my nails.
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