How is “break sweat” used?

In Guardians of the Galaxy Vol. 3 (2023), one line is: “This one has been running for two hours without breaking a sweat”

Which movie is “break sweat” from?

The clip at the top of this page is from Guardians of the Galaxy Vol. 3 (2023).

to use a lot of physical effort

informal · Heard in 3 movies

Oxford100% of films
to use a lot of physical effort
Not too much. I wouldn't want you to break a sweat or anything.
This one has been running for two hours without breaking a sweat

Definitions from the Oxford Advanced Learner's Dictionary, 9th edition

This one has been running for two hours without breaking a sweat

Said in 7 films · #1