tone up
Upper Intermediate (B2)neutral
To make your muscles stronger and your body look more fit.
"She started swimming three times a week to tone up her arms and shoulders."
Hear it in context
5 Simple Core Exercises For Rock Hard Erections (& No Urine Dribble)
Eric Leckie DPT · 9:38
I can get in a little bit better shape and tone up my midsection.
Testosterone Expert: The Truth About DAD BOD & Why Women Find Fathers More Attractive!
The Diary Of A CEO · 78:28
the British singer who like did a big tone up at the gym and posted selfies,