指甲

wǒ yòng mǔ zhǐ zhǐ jia bǎ tái dēng shang de luó dīng nǐng jǐn le

我用拇指指甲把台灯上的螺钉拧紧了。

I used my thumbnail to tighten the screw on mylamp.

tā wǎng chuāng bō li shang hē yī kǒu qì zài yòng zhǐ jia cèng yī cèng

她往窗玻璃上呵一口气，再用指甲蹭一蹭。

She drew a breath on the panes and rubbed her nails against them.

tā de shāng xiàng shì zhǐ jia qiā chū lai de

他的伤像是指甲掐出来的。

His wound looks like a fingernail.

xiū zhǐ jia

修指甲

have a manicure

shǒu zhǐ jia

手指甲

fingernail

jiǎo zhǐ jia

脚指甲

toenail

jiǎn zhǐ jia

剪指甲

clip the nails

rǎn zhǐ jia

染指甲

paint one's nails

huī zhǐ jia

灰指甲

ringworm of the nails