How is “dig into” used?

In National Theatre Live: Prima Facie (2022), one line is: “I dig into my thighs with my nails, make myself feel the pain.”

Which movie is “dig into” from?

The clip at the top of this page is from National Theatre Live: Prima Facie (2022).

I dig into my thighs with my nails, make myself feel the pain.

3 作品で登場 · 1 本目

句動詞

to start to eat food with enthusiasm; to mix soil with another substance by digging the two substances together

3 本の映画に登場

1
dig into sthくだけた
to start to eat food with enthusiasm
She dug into her bowl of pasta.
2
dig into sth
to push or rub against your body in a painful or uncomfortable way
His fingers dug painfully into my arm.
3
dig into sth
to find out information by searching or asking questions
Will you dig a little into his past and see what you find?
4
dig sth into sth
to mix soil with another substance by digging the two substances together
5
dig sth into sth
to push or press sth into sth else
She dug her hands deeper into her pockets.

定義：Oxford Advanced Learner's Dictionary 第 9 版