How is “at heels” used?

In Michael Collins (1996), one line is: “You've been on my heels for weeks.”

Which movie is “at heels” from?

The clip at the top of this page is from Michael Collins (1996).

You've been on my heels for weeks.

3 作品で登場 · 1 本目

following closely behind sb

7 本の映画に登場

オックスフォード映画の 71%
following closely behind sb
And now I know how freedom feels The jailer always at your heels!
How ugly night comes breathing at his heels.

定義：Oxford Advanced Learner's Dictionary 第 9 版