The phrase "powerful performance" refers to an exceptionally strong and impressive display of skill or talent, leaving a deep impact on the audience. Full definition
This is thanks in large to a charismatic and very powerful performance from it's leading man. (markedmovies.org)
It has a quirky start, but once the pieces begin to fall into place, it's off - the - wall charms turn into a strong drama with powerful performances. (mediamikes.com)
The voice cast seemed a little off to me at first, but it grew on me as the game goes on, with certain characters pulling in surprisingly powerful performances by the end. (snackbar-games.com)