Translation of "Biting" in Chinese

Stop biting your nails.

不要再咬指甲了。

Here she is biting her foot.

她咬着她的脚

Biting your fingernails is a bad habit.

咬指甲是个坏习惯。

She has a habit of biting her nails.

她有咬指甲的习惯。

I was biting my nails, worrying about you.

我一面咬著指甲一面擔心著你。