Definition
the true nature of someone's character, strength, or courage
（某人）真正的实力、性格或勇气。
He will show what he's made of in the face of this crisis.
他将在这场危机中展现他的真正实力。
This competition will test what our team is really made of.
这场比赛将考验我们团队的真正实力。
She needs to overcome these challenges to prove what she is made of.
她需要克服这些挑战来证明她的真正实力。