break a sweat

To put forth a large amount of energy or effort into or toward a task. Usually used in the negative to indicate the opposite. Likened to perspiring due to strenuous physical activity.

That test was so easy, I aced it without even breaking a sweat. She didn't break a sweat becoming the district attorney.

by Juca Benjamim March 12, 2016

break a sweat

When you win or get something effortlessly.

Lakers didn't have to break a sweat to beat their opponent. It was an easy match.

by RBK2013 November 24, 2013

not break a sweat

to do something with ease

We went all the way from here to there and I did not break a sweat.

by The Return of Light Joker July 5, 2010