what somebody is made of
what (one) is made of
One's true talent, fortitude, ability, courage, or worth, especially in the face of adversity or difficulty. No one thinks you stand a chance in this match, but you go out there and let them see what you're made of! This could be the biggest trial of my career. Time to go show what I'm made of!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
what somebody is ˈmade of(informal) how somebody reacts in a difficult situation: Let’s see what he’s made of. ♢ Go out and show them what you’re made of (= show them that you are strong, intelligent, etc.)!
Farlex Partner Idioms Dictionary © Farlex 2017