expression, noun or participle which takes 'suru'
display one's real ability; show one's stuff; come into one's own; hit one's stride
Used when someone finally demonstrates their true skill or talent, often after a period of not being able to or in a situation that allows it. Common in sports, work, and artistic contexts.
彼は試合の後半で本領を発揮した。
He showed his real ability in the second half of the match.
新しい
She is really coming into her own on the new project.