break a sweat
verb1
To start sweating.
- Are you feeling stronger and more energetic, and even—dare I say it—breaking a sweat? No, not a pink-faced, dripping sweat; nevertheless, a little dewy under the arms and around your forehead.2001, Karon Karter, The Complete Idiot's Guide to the Pilates Method, →ISBN, page 119:
2
Idiomatic, In the negative To put effort into something.
- He succeeded effortlessly, without breaking a sweat.
- Consider, for instance, that Roger Federer, Novak Djokovic, Marat Safin and even the supposedly out-of-sorts Lleyton Hewitt all won the opening set of their first-round matches 6-0 before barely breaking a sweat in the two sets that followed.2008 January 17, Richard Hinds, “Walkovers blaze a trail for women's equal-pay theory”, in The Age, Australia:
1 more example
- I've stumbled over gaming's simplest hurdles, been humiliated by the lowliest of enemies and will often go for an easy mode if one's available, and yet I've run through Bloodborne twice without ever really breaking much of a sweat.2018 March 6, Martin Robinson, “Dispelling the myths of Bloodborne”, in Eurogamer: