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1·I felt her nails sink into my wrist.

我感觉她的指甲抠进了我的手腕里。《牛津词典》

2·She has bitten her nails down to the quick.

她咬指甲都咬到了活肉。《牛津词典》

3·Keep your nails short and your hands clean.

指甲要短，保持双手清洁。《柯林斯英汉双解大词典》

4·When she attempted to cut his nails he resisted.

当她试图给他剪指甲时，他反抗了。《柯林斯英汉双解大词典》

5·He has the irritating habit of biting his nails.

他有咬指甲的讨厌习惯。《牛津词典》

6·Her nails were varnished a brilliant shade of red.

她的指甲上涂了一层鲜亮的红指甲油。《牛津词典》

7·Manicurists are skilled at shaping and filing nails.

美甲师对修剪、锉光指甲很在行。《柯林斯英汉双解大词典》

8·Josie was sitting at her desk, varnishing her nails.

乔西坐在书桌旁，涂着指甲油。《牛津词典》

9·He builds furniture using wooden pegs instead of nails.

他用木钉而不是铁钉制作家具。《柯林斯英汉双解大词典》

10·Copper nails are better than iron nails because the iron rusts.

铜钉比铁钉好，因为铁钉会生锈。《柯林斯英汉双解大词典》

指甲

1·I felt her nails sink into my wrist.

我感觉她的指甲抠进了我的手腕里。《牛津词典》

2·Your nails should be clean.

你的指甲应该清洗干净。

3·Your nails need cutting.

你的指甲需要剪一剪了。

4·He cuts your nails sometimes.

他有时剪你的指甲。

5·How fast do nails grow?

指甲长得有多快？

钉子

1·Will you size these nails?

你可以把这些钉子按大小分开吗？

2·He cautiously picked up the nails.

他小心地把钉子拾了起来。《新英汉大辞典》

3·The plank was spliced with nails.

那块木板是用钉子拼接的。

4·Just imagine building a house without cement or nails to hold together.

想象一下不用水泥或钉子建一所房子。

5·He wandered about with his hammer and nails, repairing whatever was in need of fixing.

他带着铁锤和钉子四处闲逛，修理任何需要修理的东西。

爪

1·He must have iron nails that scratches a bear.

搔熊者必具铁爪；要干危险的事，就得有充分的准备。

2·Besides the above, the liver are also closely related to the tendons, nails and the eyes.

除此之外，肝与筋、爪和眼紧密联系。

(1)as hard as nails冷酷无情；身体结实