本領を発揮

表記・読み：ほんりょうをはっき

1
to display one's real ability; to show one's real ability; to show one's stuff; to show oneself at one's best; to really shine; to come into one's own; to find one's feet (legs); to hit (strike) one's stride
expressions (phrases, clauses, etc.)noun or participle which takes the aux. verb suru