Does "breaking a sweat" mean "hardworking, do not spare your sweat"?<br/><br/>Context:<br/><h2><a href='http://www.nytimes.com/2014/07/08/nyregion/a-sport-embraces-fashion-and-flirting-but-breaking-a-sweat-isnt-required.html' target='_blank' rel='nofollow'>A Sport Embraces Fashion and Flirting, but Breaking a Sweat Isn’t Required</a></h2><h2>NYT Now</h2>By EMILY S. RUEB