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》

As she spoke thus, she was twisting the bill about in her hands with an embarrassed air, and making creases in it with her nails.

她一面这样说，一面带着为难的样子，把那张账单拿在手里翻来复去，并用指甲掐着它，折了又折。

youdao

After cutting her nails, she used an emery board to make the rough edges smooth.

在修剪指甲后，她用指甲锉将边缘锉平。

youdao

Then I watched Raychel's rosy cheeks slowly turn to white and her nails turn blue and it was over.

BBC: Marie and Ray Ferguson

Though Pellegrino cut her nails that night, plenty more amateurish blunders followed.

FORBES: Magazine Article

"We are trying to have a normal life, to live like we usually do, " said Rama Handi as an Aloe Vero manicurist lacquered her nails red.

CNN: Beyond bodies and bombs: Syrians attempt 'a normal life'