Definition
the true nature of someone's character, strength, or courage
（某人）真正的實力、性格或勇氣。
He will show what he's made of in the face of this crisis.
他將在這場危機中展現他的真正實力。
This competition will test what our team is really made of.
這場比賽將考驗我們團隊的真正實力。
She needs to overcome these challenges to prove what she is made of.
她需要克服這些挑戰來證明她的真正實力。