break a sweat
Verb
Meaning
To start sweating.
(idiomatic) To put effort into something.
He succeeded effortlessly, without breaking a sweat.
Synonyms
Examples
When you break a sweat you just feel great. You've got your endorphins going. You feel better. You look better. And if you aren't able to get a workout in, try to find a steam room somewhere. You just look and feel so much better after a sweat.