flex (your/its) muscles

to act in a way that shows power or strength.

This very poor nation is beginning to flex its muscles as an important producer of coffee.

Conservatives are flexing their muscles in local elections this fall.

• fall foul of something
• fall from grace
• fall guy
• fall head over heels
• fall head over heels in love
• fall in a heap
• fall in line
• fall in love
• fall in love with
• fall in love with someone
• fall in love with something
• fall into clutches
• fall into hands
• fall into lap
• fall into line
• fall into place
• fall into someone's clutches
• fall into someone's hands
• fall into the trap of
• fall into the trap of doing something
• fall into the wrong hands
• fall into your lap
• fall off
• fall off perch
• fall off the map